MK
Mark King
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30 records found
1
Journal article
(2025)
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Fety Ilma Rahmillah, Amina Tariq, Sherrie Anne Kaye, Mark King, Oscar Oviedo-Trespalacios
Mobile phone distraction is a critical global road safety issue, contributing to crashes and subsequent injuries and fatalities. This issue has led to calls for effective interventions. Based on neuropsychological research indicating that colour stimuli play a significant role in driving phone engagement, one potential strategy to reduce road user phone use while on the road is activating greyscale on phones. By removing colour, the sensory reward associated with phone use may be diminished, potentially reducing usage. However, this approach has yet to be empirically tested. As such, the aim of this study is to investigate how greyscale influences phone use behaviours while driving and walking. Participants were asked to switch their phone interface from colour to greyscale for a duration of 2-weeks. A mixed-methods approach, including surveys and interviews, was employed to gather insights from participants regarding their perceptions of greyscale on their phone use behaviour while driving and walking. The quantitative results showed that greyscale decreased the frequency of participants glancing at their phone screens in a cradle while driving. However, using the greyscale feature did not lead to significant changes in the frequency of participants picking up the phone and looking at the screen while driving, nor did it increase participants’ use of other devices such as the in-vehicle infotainment system, smartwatches, or voice commands. Additionally, greyscale significantly reduced the probability of pedestrians using handsfree phones while walking, although greyscale did not influence the likelihood of looking at the screen of a handheld phone. The qualitative results revealed that the greyscale had a complex impact on road users’ phone behaviour. Greyscale altered how they used their phones, made them less appealing and enjoyable, and added complexity to phone use. However, some participants found work-around, though not everyone adopted them. Overall, the findings suggest that while greyscale effectively reduced some phone-related behaviours over a 2-week period, its impact on phone use behaviours while driving or walking was limited in scope, with mixed effectiveness across different contexts and with some users finding work-around.
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Mobile phone distraction is a critical global road safety issue, contributing to crashes and subsequent injuries and fatalities. This issue has led to calls for effective interventions. Based on neuropsychological research indicating that colour stimuli play a significant role in driving phone engagement, one potential strategy to reduce road user phone use while on the road is activating greyscale on phones. By removing colour, the sensory reward associated with phone use may be diminished, potentially reducing usage. However, this approach has yet to be empirically tested. As such, the aim of this study is to investigate how greyscale influences phone use behaviours while driving and walking. Participants were asked to switch their phone interface from colour to greyscale for a duration of 2-weeks. A mixed-methods approach, including surveys and interviews, was employed to gather insights from participants regarding their perceptions of greyscale on their phone use behaviour while driving and walking. The quantitative results showed that greyscale decreased the frequency of participants glancing at their phone screens in a cradle while driving. However, using the greyscale feature did not lead to significant changes in the frequency of participants picking up the phone and looking at the screen while driving, nor did it increase participants’ use of other devices such as the in-vehicle infotainment system, smartwatches, or voice commands. Additionally, greyscale significantly reduced the probability of pedestrians using handsfree phones while walking, although greyscale did not influence the likelihood of looking at the screen of a handheld phone. The qualitative results revealed that the greyscale had a complex impact on road users’ phone behaviour. Greyscale altered how they used their phones, made them less appealing and enjoyable, and added complexity to phone use. However, some participants found work-around, though not everyone adopted them. Overall, the findings suggest that while greyscale effectively reduced some phone-related behaviours over a 2-week period, its impact on phone use behaviours while driving or walking was limited in scope, with mixed effectiveness across different contexts and with some users finding work-around.
Journal article
(2024)
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Sandra Cuentas-Hernandez, Xiaomeng Li, Mark J. King, Oscar Oviedo-Trespalacios
In the published article, there was an error in the Data Availability statement. Additional information needs to be added to the Data Availability Statement. The original statement established: The SHRP 2 dataset is currently managed by the Virginia Tech Transportation Institute (VTTI) and is made available to support research efforts. As the data for this dataset was obtained from volunteers, it qualifies as Human Subjects Research, and its usage is restricted. Therefore, obtaining access to both the SHRP2 dataset and the NEST dataset is subject to obtaining a data use license. The correct Data Availability statement appears below.
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In the published article, there was an error in the Data Availability statement. Additional information needs to be added to the Data Availability Statement. The original statement established: The SHRP 2 dataset is currently managed by the Virginia Tech Transportation Institute (VTTI) and is made available to support research efforts. As the data for this dataset was obtained from volunteers, it qualifies as Human Subjects Research, and its usage is restricted. Therefore, obtaining access to both the SHRP2 dataset and the NEST dataset is subject to obtaining a data use license. The correct Data Availability statement appears below.
Driven to distraction
A systematic literature review on the role of the driving context in mobile phone use
Journal article
(2024)
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Sandra Cuentas-Hernandez, Xiaomeng Li, Mark J. King, Ioni Lewis, Oscar Oviedo-Trespalacios
Mobile phone use is one of the most frequent causes of distraction among drivers. While there have been a significant number of studies that have examined individuals’ intentions to use a mobile phone while driving, the influence of individuals’ in-situ judgement of driving conditions has received considerably less attention. The aim of this investigation was to provide a systematic understanding of how factors associated with the driving context and environment influence a driver's decision to engage in mobile phone use while driving. Following a systematic classification scheme, 41 research articles from the years 2011 to 2020 were reviewed and synthesised to identify the contextual determinants of mobile phone distraction. Overall, the findings provided support for the role that contextual features play in influencing individuals’ mobile phone use engagement. This finding was particularly the case in instances where mobile phone tasks required relatively high cognitive and physical demands on an individual, such as texting and/or reading mails. The findings also indicated that as contextual complexity increases, mobile phone use decreases as well. A deeper understanding of the relationship between contextual factors and phone use while driving may aid in the design of more efficient driver support systems and the development of distraction-sensitive road design guides. This understanding can also assist in the identification of mobile phone use hotspots and the improvement of law enforcement and educational strategies to prevent the behaviour.
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Mobile phone use is one of the most frequent causes of distraction among drivers. While there have been a significant number of studies that have examined individuals’ intentions to use a mobile phone while driving, the influence of individuals’ in-situ judgement of driving conditions has received considerably less attention. The aim of this investigation was to provide a systematic understanding of how factors associated with the driving context and environment influence a driver's decision to engage in mobile phone use while driving. Following a systematic classification scheme, 41 research articles from the years 2011 to 2020 were reviewed and synthesised to identify the contextual determinants of mobile phone distraction. Overall, the findings provided support for the role that contextual features play in influencing individuals’ mobile phone use engagement. This finding was particularly the case in instances where mobile phone tasks required relatively high cognitive and physical demands on an individual, such as texting and/or reading mails. The findings also indicated that as contextual complexity increases, mobile phone use decreases as well. A deeper understanding of the relationship between contextual factors and phone use while driving may aid in the design of more efficient driver support systems and the development of distraction-sensitive road design guides. This understanding can also assist in the identification of mobile phone use hotspots and the improvement of law enforcement and educational strategies to prevent the behaviour.
Maladaptive Mobile Phone Use (MMPU) (also known as Smartphone Addiction, Nomophobia, Fear of Missing Out, or Problematic Mobile Phone Use) is a growing mental health problem. However, the health and safety consequences of MMPU remain unexplored in many real-life contexts. A potential setting where MMPU may have some negative repercussions is on the road. It is well established that road users (e.g., drivers, motorcyclists, pedestrians, and cyclists) increasingly injure themselves or others due to distractions such as phone use while on the road. Emerging research suggests that MMPU is a possible determinant of this risky behaviour. Therefore, it is essential to investigate the relationship between MMPU and mobile phone use behaviour on the road, as it could help guide and improve interventions aimed at increasing road safety. This systematic review investigated the relationship between maladaptive mobile phone use and mobile phone use behaviour on the road in terms of attitudes and risk perception, intention, phone use engagement, performance changes, and safety outcomes. A total of 44 studies were identified with 47 unique samples of road users, of which 68.1% (32/47) were comprised of drivers, 19.1% (9/47) were pedestrians, 8.5% (4/47) were unspecified road users, and there was one group of motorcyclists and cyclists. Our findings confirmed that MMPU is related to risky behaviour on the roads. In the 29 studies considering observed or self-reported behaviour, 90.9% (30/33) found that road users who scored higher in MMPU are more likely to use their phones on the road as cyclists, drivers, motorcyclists, and pedestrians. Of the nine studies that analysed performance changes, 55.6% (5/9) showed evidence that MMPU changes the performance of road users engaging in mobile phone use, meaning that there is evidence suggesting that MMPU determines the level of impairment. Of the nine studies that analysed the safety-related-outcomes, 66.7% (6/9) found that the higher the MMPU score, the more likely road users are to experience safety–critical traffic events. This review contributes to the literature by showing a pathway between the negative health consequences of MMPU and road trauma. We also identified that the quality of the studies was generally low due to study design and blinding aspects. This field of research also lacks standard practices as researchers avoid using established and well-validated questionnaires, often creating new ones to measure MMPU. This hinders the generalisability of the findings and raises questions about the construct validity and external validity of MMPU. The usefulness of future research would be enhanced by a consistent methodological approach using the same scales based on standard behavioural definitions. The cross-disciplinary nature of MMPU effects means that transport and road safety professionals need to work with healthcare professionals and technology organisations to understand and address MMPU as a contributing factor to road crashes.
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Maladaptive Mobile Phone Use (MMPU) (also known as Smartphone Addiction, Nomophobia, Fear of Missing Out, or Problematic Mobile Phone Use) is a growing mental health problem. However, the health and safety consequences of MMPU remain unexplored in many real-life contexts. A potential setting where MMPU may have some negative repercussions is on the road. It is well established that road users (e.g., drivers, motorcyclists, pedestrians, and cyclists) increasingly injure themselves or others due to distractions such as phone use while on the road. Emerging research suggests that MMPU is a possible determinant of this risky behaviour. Therefore, it is essential to investigate the relationship between MMPU and mobile phone use behaviour on the road, as it could help guide and improve interventions aimed at increasing road safety. This systematic review investigated the relationship between maladaptive mobile phone use and mobile phone use behaviour on the road in terms of attitudes and risk perception, intention, phone use engagement, performance changes, and safety outcomes. A total of 44 studies were identified with 47 unique samples of road users, of which 68.1% (32/47) were comprised of drivers, 19.1% (9/47) were pedestrians, 8.5% (4/47) were unspecified road users, and there was one group of motorcyclists and cyclists. Our findings confirmed that MMPU is related to risky behaviour on the roads. In the 29 studies considering observed or self-reported behaviour, 90.9% (30/33) found that road users who scored higher in MMPU are more likely to use their phones on the road as cyclists, drivers, motorcyclists, and pedestrians. Of the nine studies that analysed performance changes, 55.6% (5/9) showed evidence that MMPU changes the performance of road users engaging in mobile phone use, meaning that there is evidence suggesting that MMPU determines the level of impairment. Of the nine studies that analysed the safety-related-outcomes, 66.7% (6/9) found that the higher the MMPU score, the more likely road users are to experience safety–critical traffic events. This review contributes to the literature by showing a pathway between the negative health consequences of MMPU and road trauma. We also identified that the quality of the studies was generally low due to study design and blinding aspects. This field of research also lacks standard practices as researchers avoid using established and well-validated questionnaires, often creating new ones to measure MMPU. This hinders the generalisability of the findings and raises questions about the construct validity and external validity of MMPU. The usefulness of future research would be enhanced by a consistent methodological approach using the same scales based on standard behavioural definitions. The cross-disciplinary nature of MMPU effects means that transport and road safety professionals need to work with healthcare professionals and technology organisations to understand and address MMPU as a contributing factor to road crashes.
Women's Empowerment Through Access to Safe Transport
The Impact of Sexual and Nonsexual Victimization on Female Commuters in Bangladesh and Cambodia
Journal article
(2023)
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Julie King, Mark King, Oscar Oviedo-Trespalacios, Hanna Watling, Julie Anne Carroll, Melissa Bull, Deanna Grant-Smith, Mujibul Anam, Sakony Pen, Danielle Davidson
An examination of women's experience on public transport in Bangladesh and Cambodia found that victimization does reduce perceived safety or transport use. In a cultural context where women are socialized to fear and avoid public spaces, experiencing victimization may confirm rather than change previous beliefs. Moreover, it is possible that the participants’ use of public transport was driven by necessity rather than choice and that they were unable to change travel patterns in response to victimization. These findings underscore the importance of targeting public violence toward women and the broader societal norms that limit their participation in public life.
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An examination of women's experience on public transport in Bangladesh and Cambodia found that victimization does reduce perceived safety or transport use. In a cultural context where women are socialized to fear and avoid public spaces, experiencing victimization may confirm rather than change previous beliefs. Moreover, it is possible that the participants’ use of public transport was driven by necessity rather than choice and that they were unable to change travel patterns in response to victimization. These findings underscore the importance of targeting public violence toward women and the broader societal norms that limit their participation in public life.
BACKGROUND: Mobile apps are a popular strategy for reducing mobile phone use and preventing maladaptive mobile phone use (MMPU). Previous research efforts have been made to understand the features of apps that have the potential to reduce mobile phone use and MMPU. However, there has been a lack of a comprehensive examination of the effectiveness of such apps and their features. OBJECTIVE: This paper investigated existing apps designed to reduce mobile phone use and prevent MMPU and examined the evidence of their effectiveness. The research aimed to provide a comprehensive analysis of app features that can reduce mobile phone use and MMPU, while also assessing their effectiveness. In addition, we explored users' perceptions of these apps and the various features the apps offer to understand potential adoption issues and identify opportunities. METHODS: This study used 3 methods: a review of scientific evidence, content analysis, and sentiment analysis. RESULTS: Our study comprehensively examine the common features of 13 apps designed to reduce mobile phone use. We extracted and classified the features into 7 types: self-tracking, social tracking, goal setting, blocking, gamification, simplification, and assessment. The effectiveness of these apps in reducing mobile phone use and MMPU varied from weak to strong. On the basis of content analysis, self-tracking and goal setting were the most frequently used features, whereas gamification and assessment were used the least frequently. The intervention strategies that effectively reduce mobile phone use and MMPU included using grayscale mode, app limit features, and mixed interventions. Overall, users tended to accept these apps, as indicated by sentiment scores ranging from 61 to 86 out of 100. CONCLUSIONS: This study demonstrates that app-based management has the potential to reduce mobile phone use and MMPU. However, further research is required to evaluate the effectiveness of app-based interventions. Collaborations among researchers, app developers, mobile phone manufacturers, and policy makers could enhance the process of delivering, evaluating, and optimizing apps aimed at reducing mobile phone use and MMPU.
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BACKGROUND: Mobile apps are a popular strategy for reducing mobile phone use and preventing maladaptive mobile phone use (MMPU). Previous research efforts have been made to understand the features of apps that have the potential to reduce mobile phone use and MMPU. However, there has been a lack of a comprehensive examination of the effectiveness of such apps and their features. OBJECTIVE: This paper investigated existing apps designed to reduce mobile phone use and prevent MMPU and examined the evidence of their effectiveness. The research aimed to provide a comprehensive analysis of app features that can reduce mobile phone use and MMPU, while also assessing their effectiveness. In addition, we explored users' perceptions of these apps and the various features the apps offer to understand potential adoption issues and identify opportunities. METHODS: This study used 3 methods: a review of scientific evidence, content analysis, and sentiment analysis. RESULTS: Our study comprehensively examine the common features of 13 apps designed to reduce mobile phone use. We extracted and classified the features into 7 types: self-tracking, social tracking, goal setting, blocking, gamification, simplification, and assessment. The effectiveness of these apps in reducing mobile phone use and MMPU varied from weak to strong. On the basis of content analysis, self-tracking and goal setting were the most frequently used features, whereas gamification and assessment were used the least frequently. The intervention strategies that effectively reduce mobile phone use and MMPU included using grayscale mode, app limit features, and mixed interventions. Overall, users tended to accept these apps, as indicated by sentiment scores ranging from 61 to 86 out of 100. CONCLUSIONS: This study demonstrates that app-based management has the potential to reduce mobile phone use and MMPU. However, further research is required to evaluate the effectiveness of app-based interventions. Collaborations among researchers, app developers, mobile phone manufacturers, and policy makers could enhance the process of delivering, evaluating, and optimizing apps aimed at reducing mobile phone use and MMPU.
What do pedestrians consider when choosing a route?
The role of safety, security, and attractiveness perceptions and the built environment during day and night walking
Journal article
(2023)
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Nandita Basu, Oscar Oviedo-Trespalacios, Mark King, Md Kamruzzaman, Md Mazharul Haque
Increasing the use of non-motorized modes of transport, such as walking, is a worldwide objective aimed at improving the sustainability of cities. However, pedestrians may not choose to walk if the infrastructure fails to meet their needs or if they hold unfavourable perceptions regarding the built environment (BE). The current study aims to identify the significance of route attributes and perceptions of attractiveness, safety, and security at the route level, which influence pedestrians' preferences for last-mile route choices. A cross-sectional design was employed, utilizing a questionnaire comprising a stated preference (SP) experiment and a perception survey. The study considered theory-informed attributes influencing pedestrian route choice preferences, including: (1) individual-level determinants, (2) physical-level determinants, and (3) time of day. Two separate models were developed, considering the time of day, to examine the differences in trade-offs within pedestrians' route choice preferences between day and night. The results revealed that both the BE and perceptions of the BE play a crucial role in determining pedestrian route choice behaviour. Pedestrians showed a preference for routes fully encompassed by mixed or residential land uses during the daytime. The presence of vacant land along the walking route significantly decreased the likelihood of choosing a route at night. Generally, pedestrians favoured shorter walking times, lower posted speed limits, and comfortable walkway grades in their routes. Female pedestrians tended to avoid routes that were not well-lit and pleasant at night. Lowering roadway speed limits emerged as a strategy to encourage walking in suburban areas. The findings of this study hold the potential to play an essential role in the development of effective policy initiatives targeted at pedestrians in cities.
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Increasing the use of non-motorized modes of transport, such as walking, is a worldwide objective aimed at improving the sustainability of cities. However, pedestrians may not choose to walk if the infrastructure fails to meet their needs or if they hold unfavourable perceptions regarding the built environment (BE). The current study aims to identify the significance of route attributes and perceptions of attractiveness, safety, and security at the route level, which influence pedestrians' preferences for last-mile route choices. A cross-sectional design was employed, utilizing a questionnaire comprising a stated preference (SP) experiment and a perception survey. The study considered theory-informed attributes influencing pedestrian route choice preferences, including: (1) individual-level determinants, (2) physical-level determinants, and (3) time of day. Two separate models were developed, considering the time of day, to examine the differences in trade-offs within pedestrians' route choice preferences between day and night. The results revealed that both the BE and perceptions of the BE play a crucial role in determining pedestrian route choice behaviour. Pedestrians showed a preference for routes fully encompassed by mixed or residential land uses during the daytime. The presence of vacant land along the walking route significantly decreased the likelihood of choosing a route at night. Generally, pedestrians favoured shorter walking times, lower posted speed limits, and comfortable walkway grades in their routes. Female pedestrians tended to avoid routes that were not well-lit and pleasant at night. Lowering roadway speed limits emerged as a strategy to encourage walking in suburban areas. The findings of this study hold the potential to play an essential role in the development of effective policy initiatives targeted at pedestrians in cities.
Walking is the cornerstone of active and sustainable transport. However, traffic safety concerns among pedestrians could reduce walking behaviour. Safety concerns are generally measured through risk perceptions. Unfortunately, a lack of theoretical development of risk perceptions in walking behaviour research has limited our capacity to identify groups of pedestrians who are inequitably affected and address their concerns. To address this gap, the present investigation identified various theory-driven risk dimensions (i.e., mechanism of injury, temporal risk dimensions, and information processing). Logistic and hierarchical linear regression analyses were used to investigate the effect of the risk dimensions on walking behaviour while considering psychosocial factors (e.g., attitudes and social norms). The findings suggest that policymakers and practitioners should consider both objective and perceived pedestrian safety to promote sustainable mobility. Older adults require particular attention as they are inequitably affected by objective and subjective risks.
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Walking is the cornerstone of active and sustainable transport. However, traffic safety concerns among pedestrians could reduce walking behaviour. Safety concerns are generally measured through risk perceptions. Unfortunately, a lack of theoretical development of risk perceptions in walking behaviour research has limited our capacity to identify groups of pedestrians who are inequitably affected and address their concerns. To address this gap, the present investigation identified various theory-driven risk dimensions (i.e., mechanism of injury, temporal risk dimensions, and information processing). Logistic and hierarchical linear regression analyses were used to investigate the effect of the risk dimensions on walking behaviour while considering psychosocial factors (e.g., attitudes and social norms). The findings suggest that policymakers and practitioners should consider both objective and perceived pedestrian safety to promote sustainable mobility. Older adults require particular attention as they are inequitably affected by objective and subjective risks.
Group cycling safety behaviours
A systematic review
Journal article
(2022)
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Olaf Heeremans, Elisabeth Rubie, Mark King, Oscar Oviedo-Trespalacios
Background: The popularity of cycling in a group is longstanding and increasing. Compared to riding as an individual, many cyclists feel safer when riding in a group as they have better personal security, potential support in case of mishaps, safer wayfinding and are more visible to other road users. However, further to the safety challenges shared with individual cyclists, group cyclist safety is impacted by rider proximity, the larger space taken up on roadways, potentially higher speeds, and social norms that could increase risky behaviours. Despite these unique safety considerations, the practice of cycling in groups has received little academic attention and group cyclist safety behaviours have not been analysed by road safety researchers. Objective: To identify, describe, categorise and conceptualise within a teamwork framework, safety related behaviours of groups of cyclists as mentioned in academic literature. Methods: Three academic databases (Google Scholar, Proquest, and Scopus) were searched for peer reviewed literature that mentioned safe or risky behaviours of groups of cyclists. A total of 32 papers met the inclusion criteria. Relevant group cyclist behaviours were described and categorised using a conceptual teamwork framework. Results: Group cyclists’ safety behaviours are governed by a comprehensive but informal and adaptable set of rules. These rules are safety critical and are often strictly controlled within groups. Many groups of cyclists may ride in a safer manner than individual cyclists due to teamwork factors, particularly shared mental models, team orientation, and adaptability. Conclusion: Group cyclists take safety seriously. Teamwork factors may make behavioural interventions to decrease risky behaviours easier to implement with group cyclists compared to individual cyclists. Investigation of group cycling safety behaviours may inform safe system interventions to increase road safety.
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Background: The popularity of cycling in a group is longstanding and increasing. Compared to riding as an individual, many cyclists feel safer when riding in a group as they have better personal security, potential support in case of mishaps, safer wayfinding and are more visible to other road users. However, further to the safety challenges shared with individual cyclists, group cyclist safety is impacted by rider proximity, the larger space taken up on roadways, potentially higher speeds, and social norms that could increase risky behaviours. Despite these unique safety considerations, the practice of cycling in groups has received little academic attention and group cyclist safety behaviours have not been analysed by road safety researchers. Objective: To identify, describe, categorise and conceptualise within a teamwork framework, safety related behaviours of groups of cyclists as mentioned in academic literature. Methods: Three academic databases (Google Scholar, Proquest, and Scopus) were searched for peer reviewed literature that mentioned safe or risky behaviours of groups of cyclists. A total of 32 papers met the inclusion criteria. Relevant group cyclist behaviours were described and categorised using a conceptual teamwork framework. Results: Group cyclists’ safety behaviours are governed by a comprehensive but informal and adaptable set of rules. These rules are safety critical and are often strictly controlled within groups. Many groups of cyclists may ride in a safer manner than individual cyclists due to teamwork factors, particularly shared mental models, team orientation, and adaptability. Conclusion: Group cyclists take safety seriously. Teamwork factors may make behavioural interventions to decrease risky behaviours easier to implement with group cyclists compared to individual cyclists. Investigation of group cycling safety behaviours may inform safe system interventions to increase road safety.
Journal article
(2022)
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Nandita Basu, Md Mazharul Haque, Mark King, Md Kamruzzaman, Oscar Oviedo-Trespalacios
Pedestrian route choice (PRC) is influenced by a wide range of factors, yet an understanding of the trends, patterns, and findings of PRC research is a gap in the literature. The present study applied the PRISMA framework to systematically identify published studies on PRC. The identified studies were synthesized by answering the systematic classification scheme (SCS) questions. Results show that prior studies have used a total of 105 factors associated with PRC. The identified factors were categorized under three groups (i.e. pedestrian socio-demographic factors, built environment factors, trip characteristics). The findings of this systematic review identified several critical research gaps for studying PRC behaviour. Future PRC research should aim to determine the influence of social, physical, and individual factors associated with PRC and the nature of the relationships of those factors with PRC.
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Pedestrian route choice (PRC) is influenced by a wide range of factors, yet an understanding of the trends, patterns, and findings of PRC research is a gap in the literature. The present study applied the PRISMA framework to systematically identify published studies on PRC. The identified studies were synthesized by answering the systematic classification scheme (SCS) questions. Results show that prior studies have used a total of 105 factors associated with PRC. The identified factors were categorized under three groups (i.e. pedestrian socio-demographic factors, built environment factors, trip characteristics). The findings of this systematic review identified several critical research gaps for studying PRC behaviour. Future PRC research should aim to determine the influence of social, physical, and individual factors associated with PRC and the nature of the relationships of those factors with PRC.
Journal article
(2022)
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J. E. Rod, Oscar Oviedo-Trespalacios, Mark King
Objective: Evaluate injury patterns from wheeled recreational devices (WRD) in the public space and explore risk factors for hospital admission. Method: A cross-sectional analysis of WRD injury prevalence and risk factors for hospital admissions was conducted using data from the Queensland Injury Surveillance Unit (QISU) database for 2007 to 2017. Descriptive statistics and a log-binomial regression model were used to calculate adjusted relative risk for hospital admission. Results: Most WRD injury in the public space was related to stand-alone WRD injury events such as falls, with few reported WRD users being hit by vehicles from 2007 to 2017. Stand-alone WRD injury events had a higher independent risk of hospital admissions when injured in the head/neck/face (RR 2.08, 95%CI 1.6 to 2.8, p<0.001), and when the injury was a fracture (RR 2.57, 95%CI 2.1 to 3.3, p<0.001) or a brain injury (RR 3.19, 95%CI 2.5 to 4.1, p<0.001). Conclusion: Head, brain and facial injuries and fractures are leading preventable factors for hospital admissions due to WRD injury. These types of injuries generate a preventable burden to the health system. Implications for public health: The results support the need to consider legislation regarding mandatory helmet use for non-motorised WRD when used on public roads and footpaths, while further research is conducted. This strategy could reduce the long-term health outcomes associated with head, face and brain injury in young commuters.
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Objective: Evaluate injury patterns from wheeled recreational devices (WRD) in the public space and explore risk factors for hospital admission. Method: A cross-sectional analysis of WRD injury prevalence and risk factors for hospital admissions was conducted using data from the Queensland Injury Surveillance Unit (QISU) database for 2007 to 2017. Descriptive statistics and a log-binomial regression model were used to calculate adjusted relative risk for hospital admission. Results: Most WRD injury in the public space was related to stand-alone WRD injury events such as falls, with few reported WRD users being hit by vehicles from 2007 to 2017. Stand-alone WRD injury events had a higher independent risk of hospital admissions when injured in the head/neck/face (RR 2.08, 95%CI 1.6 to 2.8, p<0.001), and when the injury was a fracture (RR 2.57, 95%CI 2.1 to 3.3, p<0.001) or a brain injury (RR 3.19, 95%CI 2.5 to 4.1, p<0.001). Conclusion: Head, brain and facial injuries and fractures are leading preventable factors for hospital admissions due to WRD injury. These types of injuries generate a preventable burden to the health system. Implications for public health: The results support the need to consider legislation regarding mandatory helmet use for non-motorised WRD when used on public roads and footpaths, while further research is conducted. This strategy could reduce the long-term health outcomes associated with head, face and brain injury in young commuters.
Journal article
(2022)
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Nandita Basu, Oscar Oviedo-Trespalacios, Mark King, Md Kamruzzaman, Md Mazharul Haque
Perceptions of the walking environment can encourage or discourage walking for transport. However, the influence of the built environment (BE) on pedestrians’ perceptions of the walking environment has not been fully understood. To address this gap, the present research investigates how BE characteristics of a suburban walking environment are associated with the perceptions of attractiveness (i.e., pleasantness, friendliness), safety, and security. Using a cross-sectional design, 995 participants reported their perceptions about the attractiveness, safety, and security of different suburban BE scenarios in Brisbane (Australia). Univariate and bivariate random effect ordered probit models were estimated to identify the associations between BE characteristics and perceived attractiveness, safety, and security whilst controlling for psychosocial factors. Results indicated that perceived attractiveness (i.e., pleasantness and friendliness) was higher for recreational areas than residential land use. Women perceived the walking environment as more pleasant with trees. The perception of safety was higher for recreational and vacant land compared to residential areas. Young pedestrians perceived that the likelihood of being assaulted/robbed/harassed at night was lower if they walked through an area with commercial and mixed land use. Women pedestrians perceived that the corresponding risk at night was higher in recreational areas. Overall, the findings suggest that urban design strategies such as increasing land use diversity and providing adequate trees enhance perceived environmental attractiveness, safety, and security, ultimately resulting in more walking for transport.
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Perceptions of the walking environment can encourage or discourage walking for transport. However, the influence of the built environment (BE) on pedestrians’ perceptions of the walking environment has not been fully understood. To address this gap, the present research investigates how BE characteristics of a suburban walking environment are associated with the perceptions of attractiveness (i.e., pleasantness, friendliness), safety, and security. Using a cross-sectional design, 995 participants reported their perceptions about the attractiveness, safety, and security of different suburban BE scenarios in Brisbane (Australia). Univariate and bivariate random effect ordered probit models were estimated to identify the associations between BE characteristics and perceived attractiveness, safety, and security whilst controlling for psychosocial factors. Results indicated that perceived attractiveness (i.e., pleasantness and friendliness) was higher for recreational areas than residential land use. Women perceived the walking environment as more pleasant with trees. The perception of safety was higher for recreational and vacant land compared to residential areas. Young pedestrians perceived that the likelihood of being assaulted/robbed/harassed at night was lower if they walked through an area with commercial and mixed land use. Women pedestrians perceived that the corresponding risk at night was higher in recreational areas. Overall, the findings suggest that urban design strategies such as increasing land use diversity and providing adequate trees enhance perceived environmental attractiveness, safety, and security, ultimately resulting in more walking for transport.
Journal article
(2021)
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J. E. Rod, Mark King, Teresa Senserrick, Oscar Oviedo-Trespalacios
Introduction: Walking is a healthy, environmentally sustainable, and economically profitable transportation strategy for citizens and governments. Despite these benefits, it is also important to understand, and to inform health professionals, policymakers, and public infrastructure planners about, the preventable injury potential of walking in the transportation system and the distribution of injury by gender and age. This is especially important for non-vehicle pedestrian trauma, given that is more prevalent and there is less information available about its injury outcomes in comparison to pedestrian injury caused by vehicle collisions. Method: A retrospective cohort study, and cross-sectional bivariate and multivariate analyses of non-vehicle pedestrian trauma in the traffic environment (NVPTE) were conducted. Relative risks (RR) of the incidence of injury and prevalence of injury outcomes by age and gender were calculated using data collected by the Queensland Injury Surveillance Unit (QISU) in Australia. Results: Pedestrians aged 60+ have a consistently higher risk of NVPTE incidence when compared with pedestrians aged <60. Older pedestrians have a higher risk of injury to the pelvis (RR 10.3 95% CI 3.81–27.5 p < 0.0001) and hip (RR 5.59 95% CI 3.53–8.85 p < 0.0001), and an adjusted higher risk of hospital admission (RR 1.5 95% CI 1.30–1.64 p < 0.0001). Pedestrian males <60 had more injuries to the head, sprains, strains and open wounds compared with females <60, while those aged 60+ had lower risk of fractures and higher risk of hospital admission. Conclusion: Promoting walking for transport requires the incorporation of prevention strategies that consider key differences in injury outcomes. Clinical fall risk assessments and protective pedestrian infrastructure could play an important role in reducing the health and economic burden of pedestrian falls to the health system.
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Introduction: Walking is a healthy, environmentally sustainable, and economically profitable transportation strategy for citizens and governments. Despite these benefits, it is also important to understand, and to inform health professionals, policymakers, and public infrastructure planners about, the preventable injury potential of walking in the transportation system and the distribution of injury by gender and age. This is especially important for non-vehicle pedestrian trauma, given that is more prevalent and there is less information available about its injury outcomes in comparison to pedestrian injury caused by vehicle collisions. Method: A retrospective cohort study, and cross-sectional bivariate and multivariate analyses of non-vehicle pedestrian trauma in the traffic environment (NVPTE) were conducted. Relative risks (RR) of the incidence of injury and prevalence of injury outcomes by age and gender were calculated using data collected by the Queensland Injury Surveillance Unit (QISU) in Australia. Results: Pedestrians aged 60+ have a consistently higher risk of NVPTE incidence when compared with pedestrians aged <60. Older pedestrians have a higher risk of injury to the pelvis (RR 10.3 95% CI 3.81–27.5 p < 0.0001) and hip (RR 5.59 95% CI 3.53–8.85 p < 0.0001), and an adjusted higher risk of hospital admission (RR 1.5 95% CI 1.30–1.64 p < 0.0001). Pedestrian males <60 had more injuries to the head, sprains, strains and open wounds compared with females <60, while those aged 60+ had lower risk of fractures and higher risk of hospital admission. Conclusion: Promoting walking for transport requires the incorporation of prevention strategies that consider key differences in injury outcomes. Clinical fall risk assessments and protective pedestrian infrastructure could play an important role in reducing the health and economic burden of pedestrian falls to the health system.
Older adult pedestrian trauma
A systematic review, meta-analysis, and GRADE assessment of injury health outcomes from an aggregate study sample of 1 million pedestrians
Journal article
(2021)
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J. E. Rod, Oscar Oviedo-Trespalacios, Teresa Senserrick, Mark King
This systematic review sought to assess older adult pedestrian injury severity, injury by anatomical location and incidence proportions, including comparisons to younger age groups when available and provide an analysis of the quality of the existing evidence. A structured search was conducted in PubMed, Embase, Scopus, CINAHL, PsycInfo, AMED, Web of Science, LILACS and TRID. STROBE was used to assess the reporting quality of the included studies. Random-effect model meta-analysis served to obtain pooled relative risk, incidence proportions and standardized mean differences for different outcomes due to pedestrian crashes comparing older and younger pedestrians, while meta-analyses could not be conducted for pedestrian falls. We screened 7460 records of which 60 studies (1,012,041 pedestrians) were included in the review. Injured pedestrians 60+ compared to those <60 were found to have a higher relative risk of severe injury (pooled relative risk RR 1.6, 95 % CI: 1.4–2.0 p < 0.001), critical care admission (pooled RR 1.5, 95 %CI: 1.3–1.8 p < 0.001), and fatality (pooled RR of 3.7, 95 % CI: 3.0–4.5 p < 0.001). Pedestrians 60+ also had higher incidence rates of pedestrian falls causing higher injury severity. GRADE was used to evaluate evidence quality, with the results suggesting that the overall quality of the evidence supporting these findings was low. Further research is needed to understand health risks associated with older pedestrian trauma and to develop effective risk management strategies.
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This systematic review sought to assess older adult pedestrian injury severity, injury by anatomical location and incidence proportions, including comparisons to younger age groups when available and provide an analysis of the quality of the existing evidence. A structured search was conducted in PubMed, Embase, Scopus, CINAHL, PsycInfo, AMED, Web of Science, LILACS and TRID. STROBE was used to assess the reporting quality of the included studies. Random-effect model meta-analysis served to obtain pooled relative risk, incidence proportions and standardized mean differences for different outcomes due to pedestrian crashes comparing older and younger pedestrians, while meta-analyses could not be conducted for pedestrian falls. We screened 7460 records of which 60 studies (1,012,041 pedestrians) were included in the review. Injured pedestrians 60+ compared to those <60 were found to have a higher relative risk of severe injury (pooled relative risk RR 1.6, 95 % CI: 1.4–2.0 p < 0.001), critical care admission (pooled RR 1.5, 95 %CI: 1.3–1.8 p < 0.001), and fatality (pooled RR of 3.7, 95 % CI: 3.0–4.5 p < 0.001). Pedestrians 60+ also had higher incidence rates of pedestrian falls causing higher injury severity. GRADE was used to evaluate evidence quality, with the results suggesting that the overall quality of the evidence supporting these findings was low. Further research is needed to understand health risks associated with older pedestrian trauma and to develop effective risk management strategies.
Journal article
(2021)
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Nandita Basu, Md Mazharul Haque, Mark King, Md Kamruzzaman, Oscar Oviedo-Trespalacios
Introduction: Studies have shown that perceived security discourages pedestrians from walking, which in turn reduces physical activities and associated health benefits. However, there is a dearth of research about what elements of the built environment contribute to perceived security among pedestrians and, in particular, how the perception varies amongst women and amongst men in suburban environments. The present study aims to address this gap in the literature. Methods: A range of scenarios (i.e. more/less diversity of land use, presence/absence of trees) were presented in an online experiment to 995 participants in Brisbane (Australia). Participants reported their perceptions of being assaulted/robbed/harassed in each scenario. Random effects ordered probit models were estimated for men and women to identify the association between perceived security and built environment factors, controlling for other confounders such as age and attitudes. Results: Women have a higher perceived risk of being assaulted/robbed/harassed compared with men in all scenarios tested in the present study. Importantly, the results indicated that while residential, commercial, and mixed land use provide a sense of security for pedestrians compared to vacant land, the effect was larger for women compared to men. There were no significant differences between vacant and recreational land use in terms of perceived security. At night, pedestrians perceived suburban environments as insecure, and the change in the level of security was higher for women than men. Also, night time security varied over different land-use types between men and women. Conclusions: The findings suggest that targeted urban design practices (e.g., functional use of vacant land, increasing diversity of land use, adequate street lights) could be used to improve perceived security and also reduce gender inequality in security perceptions. In turn, improved perceptions of security can help to increase walking as a mode of transport.
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Introduction: Studies have shown that perceived security discourages pedestrians from walking, which in turn reduces physical activities and associated health benefits. However, there is a dearth of research about what elements of the built environment contribute to perceived security among pedestrians and, in particular, how the perception varies amongst women and amongst men in suburban environments. The present study aims to address this gap in the literature. Methods: A range of scenarios (i.e. more/less diversity of land use, presence/absence of trees) were presented in an online experiment to 995 participants in Brisbane (Australia). Participants reported their perceptions of being assaulted/robbed/harassed in each scenario. Random effects ordered probit models were estimated for men and women to identify the association between perceived security and built environment factors, controlling for other confounders such as age and attitudes. Results: Women have a higher perceived risk of being assaulted/robbed/harassed compared with men in all scenarios tested in the present study. Importantly, the results indicated that while residential, commercial, and mixed land use provide a sense of security for pedestrians compared to vacant land, the effect was larger for women compared to men. There were no significant differences between vacant and recreational land use in terms of perceived security. At night, pedestrians perceived suburban environments as insecure, and the change in the level of security was higher for women than men. Also, night time security varied over different land-use types between men and women. Conclusions: The findings suggest that targeted urban design practices (e.g., functional use of vacant land, increasing diversity of land use, adequate street lights) could be used to improve perceived security and also reduce gender inequality in security perceptions. In turn, improved perceptions of security can help to increase walking as a mode of transport.
Journal article
(2021)
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Julie King, Mark King, Nicole Edwards, Julie Anne Carroll, Hanna Watling, Mujibul Anam, Melissa Bull, Oscar Oviedo-Trespalacios
Equal access to safe transport is increasingly conceptualised as a fundamental right for women, with demonstrated effects on health outcomes, social and economic mobility and societal participation. This study analysed qualitative and quantitative data to examine travel patterns and experiences among 200 women (aged between 18-64 years) using paid transport for work or educational purposes in Bangladesh. The results showed that the women faced multiple threats to their safety, including gender-based violence, harassment and crime, and traffic and non-traffic injuries, and that the use of paid transport was associated with high levels of anxiety and fear. Despite these circumstances, the women were captive travellers, forced to make transport choices based on price, availability and ease of travel rather than safety. Unable to choose safe transport, the women attempted to mitigate risks by changing their travel patterns and behaviour and by restricting their travel frequency. These findings are discussed within the context of women's rights and mobility justice.
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Equal access to safe transport is increasingly conceptualised as a fundamental right for women, with demonstrated effects on health outcomes, social and economic mobility and societal participation. This study analysed qualitative and quantitative data to examine travel patterns and experiences among 200 women (aged between 18-64 years) using paid transport for work or educational purposes in Bangladesh. The results showed that the women faced multiple threats to their safety, including gender-based violence, harassment and crime, and traffic and non-traffic injuries, and that the use of paid transport was associated with high levels of anxiety and fear. Despite these circumstances, the women were captive travellers, forced to make transport choices based on price, availability and ease of travel rather than safety. Unable to choose safe transport, the women attempted to mitigate risks by changing their travel patterns and behaviour and by restricting their travel frequency. These findings are discussed within the context of women's rights and mobility justice.
Alcohol-impaired Walking in 16 Countries
A Theory-Based Investigation
Journal article
(2021)
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Oscar Oviedo-Trespalacios, Ali Kemal Çelik, Jean Carlos Natividade, Joonha Park, Jorge Tiago Bastos, Laura Martínez-Buelvas, Maria de Fátima Pereira da Silva, Mário Velindro, Matus Sucha, Mauricio Orozco-Fontalvo, Miguel Barboza-Palomino, Quan Yuan, Ana Marti-Belda, Rui Mendes, Rusdi Rusli, Samira Ramezani, Sergio A. Useche, Sibele Dias de Aquino, Takashi Tsubakita, Tatiana Volkodav, Tiina Rinne, Violeta Enea, Yonggang Wang, Anna Włodarczyk, Mark King, Daniel Demant, Duy Q. Nguyen-Phuoc, Elisabeth Rubie, Erkan Oktay, Gabriel Dorantes Argandar, J. E. Rod
Alcohol is a global risk factor for road trauma. Although drink driving has received most of the scholarly attention, there is growing evidence of the risks of alcohol-impaired walking. Alcohol-impaired pedestrians are over-represented in fatal crashes compared to non-impaired pedestrians. Additionally, empirical evidence shows that alcohol intoxication impairs road-crossing judgements. Besides some limited early research, much is unknown about the global prevalence and determinants of alcohol-impaired walking. Understanding alcohol-impaired walking will support health promotion initiatives and injury prevention. The present investigation has three aims: (1) compare the prevalence of alcohol-impaired walking across countries; (2) identify international groups of pedestrians based on psychosocial factors (i.e., Theory of Planned Behaviour (TPB) and perceptions of risk); and (3) investigate how segments of pedestrians form their intention for alcohol-impaired walking using the extended TPB (i.e. subjective norm, attitudes, perceived control, and perceived risk). A cross-sectional design was applied. The target behaviour question was “have you been a pedestrian when your thinking or physical ability (balance/strength) is affected by alcohol?” to ensure comparability across countries. Cluster analysis based on the extended TPB was used to identify groups of countries. Finally, regressions were used to predict pedestrians’ intentions per group. A total of 6,166 respondents (Age M(SD) = 29.4 (14.2); Males = 39.2%) completed the questionnaire, ranging from 12.6% from Russia to 2.2% from Finland. The proportion of participants who reported never engaging in alcohol-impaired walking in the last three months ranged from 30.1% (Spain) to 83.1% (Turkey). Four groups of countries were identified: group-1 (Czech Republic, Spain, and Australia), group-2 (Russia and Finland), group-3 (Japan), and group-4 (final ten countries including Colombia, China, and Romania). Pedestrian intentions to engage in alcohol- impaired walking are predicted by perceptions of risk and TPB-psychosocial factors in group-1 and group-4. Favourable TPB-beliefs and low perceived risk increased alcohol-impaired walking intentions. Conversely, subjective norms were not significant in group-2 and only perceived risk predicted intention in group-3. The willingness of pedestrians to walk when alcohol-impaired differs significantly across the countries in this study. Perceived risk was the only common predictor among the 16 countries.
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Alcohol is a global risk factor for road trauma. Although drink driving has received most of the scholarly attention, there is growing evidence of the risks of alcohol-impaired walking. Alcohol-impaired pedestrians are over-represented in fatal crashes compared to non-impaired pedestrians. Additionally, empirical evidence shows that alcohol intoxication impairs road-crossing judgements. Besides some limited early research, much is unknown about the global prevalence and determinants of alcohol-impaired walking. Understanding alcohol-impaired walking will support health promotion initiatives and injury prevention. The present investigation has three aims: (1) compare the prevalence of alcohol-impaired walking across countries; (2) identify international groups of pedestrians based on psychosocial factors (i.e., Theory of Planned Behaviour (TPB) and perceptions of risk); and (3) investigate how segments of pedestrians form their intention for alcohol-impaired walking using the extended TPB (i.e. subjective norm, attitudes, perceived control, and perceived risk). A cross-sectional design was applied. The target behaviour question was “have you been a pedestrian when your thinking or physical ability (balance/strength) is affected by alcohol?” to ensure comparability across countries. Cluster analysis based on the extended TPB was used to identify groups of countries. Finally, regressions were used to predict pedestrians’ intentions per group. A total of 6,166 respondents (Age M(SD) = 29.4 (14.2); Males = 39.2%) completed the questionnaire, ranging from 12.6% from Russia to 2.2% from Finland. The proportion of participants who reported never engaging in alcohol-impaired walking in the last three months ranged from 30.1% (Spain) to 83.1% (Turkey). Four groups of countries were identified: group-1 (Czech Republic, Spain, and Australia), group-2 (Russia and Finland), group-3 (Japan), and group-4 (final ten countries including Colombia, China, and Romania). Pedestrian intentions to engage in alcohol- impaired walking are predicted by perceptions of risk and TPB-psychosocial factors in group-1 and group-4. Favourable TPB-beliefs and low perceived risk increased alcohol-impaired walking intentions. Conversely, subjective norms were not significant in group-2 and only perceived risk predicted intention in group-3. The willingness of pedestrians to walk when alcohol-impaired differs significantly across the countries in this study. Perceived risk was the only common predictor among the 16 countries.
Assessing driver acceptance of technology that reduces mobile phone use while driving
The case of mobile phone applications
Journal article
(2020)
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Oscar Oviedo-Trespalacios, Oliver Briant, Sherrie Anne Kaye, Mark King
The nature of the road environment requires drivers to be vigilant and attentive. Distracted driving is a primary concern, as it threatens the safety of road users. However very little research has been conducted into interventions to combat such an issue. Existing interventions such as police enforcement and legislation appear to have limited effect. The use of mobile phone applications to assist in limiting driver distraction is an alternative intervention that is currently gaining traction. With a great array of potential benefits, such as reducing road toll, these applications can be readily available to all road users. Despite the positive implications, it is vital that drivers accept the use of such a technology for the intervention to be effective. Therefore, understanding driver acceptance is an important step in implanting such applications. To assess this, the present study examines the utility of two versions of the Technology Acceptance Model (TAM), the Theory of Planned Behaviour (TPB) and the Unified Theory of Acceptance and Use of Technology (UTAUT) for understanding the acceptance of technology designed to reduce distraction. Participants were presented with two different applications and responded to questions that indicated their attitudes towards the factors included in the TAM, TPB and UTAUT, alongside their intent to use the technology. A total of 731 participants responded to the survey, and their responses analysed. The results indicated that overall, Davis’ (1985) TAM was slightly better in explaining behavioural intent for both Mobile Phone Application (MPA) 1 and MPA 2, explaining 66.1% and 68.7% of the variance, respectively. Davis’ (1989) TAM and the TPB were close behind, while the UTAUT explained the least variance in behavioural intent of all the models. Overall, the findings of this study provide support for using psychological theories to assess the acceptance of mobile phone applications.
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The nature of the road environment requires drivers to be vigilant and attentive. Distracted driving is a primary concern, as it threatens the safety of road users. However very little research has been conducted into interventions to combat such an issue. Existing interventions such as police enforcement and legislation appear to have limited effect. The use of mobile phone applications to assist in limiting driver distraction is an alternative intervention that is currently gaining traction. With a great array of potential benefits, such as reducing road toll, these applications can be readily available to all road users. Despite the positive implications, it is vital that drivers accept the use of such a technology for the intervention to be effective. Therefore, understanding driver acceptance is an important step in implanting such applications. To assess this, the present study examines the utility of two versions of the Technology Acceptance Model (TAM), the Theory of Planned Behaviour (TPB) and the Unified Theory of Acceptance and Use of Technology (UTAUT) for understanding the acceptance of technology designed to reduce distraction. Participants were presented with two different applications and responded to questions that indicated their attitudes towards the factors included in the TAM, TPB and UTAUT, alongside their intent to use the technology. A total of 731 participants responded to the survey, and their responses analysed. The results indicated that overall, Davis’ (1985) TAM was slightly better in explaining behavioural intent for both Mobile Phone Application (MPA) 1 and MPA 2, explaining 66.1% and 68.7% of the variance, respectively. Davis’ (1989) TAM and the TPB were close behind, while the UTAUT explained the least variance in behavioural intent of all the models. Overall, the findings of this study provide support for using psychological theories to assess the acceptance of mobile phone applications.
“It is frustrating to not have control even though I know it's not legal!”
A mixed-methods investigation on applications to prevent mobile phone use while driving
Journal article
(2020)
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Oscar Oviedo-Trespalacios, Verity Truelove, Mark King
Mobile phone distracted driving is a major risk factor for crashes. However, this behaviour has been increasing in recent years. Effective enforcement of mobile phone bans while driving faces several obstacles; as such, it is important to consider additional countermeasures. Applications designed to prevent distracted driving are a promising solution, yet more research is needed that examines their effectiveness in reducing dangerous phone use while driving behaviours. Additionally, these applications are voluntary in nature; therefore, an understanding of drivers’ perceptions of the applications is necessary to determine how to improve uptake. A mixed methods design was utilised to examine these factors in a comprehensive manner. A total of 40 participants used the smartphone application “Do Not Disturb While Driving” for iOS phone operating systems or “Android Auto” for Android phone operating systems for approximately one week and completed three diary entries reporting on their experience. Two questionnaires that examined phone use while driving behaviours were also administered to participants; one before and one after completing the study. The quantitative results found that engagement in 1) visual-manual, 2) cognitive-auditory and 3) music mobile phone interactions significantly decreased while using the application. Distraction engagement and mental workload while driving also significantly decreased while using the application. The qualitative results identified a number of areas of improvement that need to be addressed, e.g. activation of the application and Bluetooth connection reliability. The features that required improvement presented an obstacle for effective use of the applications, and in some cases resulted in drivers deciding to stop using the application. Positive perceptions of the application were associated with the experiences of the application functioning appropriately and activating automatically. These results show that applications designed for voluntary use to prevent mobile phone distracted driving are a promising countermeasure, although current applications require several improvements.
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Mobile phone distracted driving is a major risk factor for crashes. However, this behaviour has been increasing in recent years. Effective enforcement of mobile phone bans while driving faces several obstacles; as such, it is important to consider additional countermeasures. Applications designed to prevent distracted driving are a promising solution, yet more research is needed that examines their effectiveness in reducing dangerous phone use while driving behaviours. Additionally, these applications are voluntary in nature; therefore, an understanding of drivers’ perceptions of the applications is necessary to determine how to improve uptake. A mixed methods design was utilised to examine these factors in a comprehensive manner. A total of 40 participants used the smartphone application “Do Not Disturb While Driving” for iOS phone operating systems or “Android Auto” for Android phone operating systems for approximately one week and completed three diary entries reporting on their experience. Two questionnaires that examined phone use while driving behaviours were also administered to participants; one before and one after completing the study. The quantitative results found that engagement in 1) visual-manual, 2) cognitive-auditory and 3) music mobile phone interactions significantly decreased while using the application. Distraction engagement and mental workload while driving also significantly decreased while using the application. The qualitative results identified a number of areas of improvement that need to be addressed, e.g. activation of the application and Bluetooth connection reliability. The features that required improvement presented an obstacle for effective use of the applications, and in some cases resulted in drivers deciding to stop using the application. Positive perceptions of the application were associated with the experiences of the application functioning appropriately and activating automatically. These results show that applications designed for voluntary use to prevent mobile phone distracted driving are a promising countermeasure, although current applications require several improvements.
“They would call me, and I would need to know because it is like life and death”
A qualitative examination of the acceptability of smartphone applications designed to reduce mobile phone use while driving
Journal article
(2020)
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Oscar Oviedo-Trespalacios, Atiyeh Vaezipour, Verity Truelove, Sherrie Anne Kaye, Mark King
Distracted driving is one of the most prevalent risky behaviours worldwide. Research has highlighted that current approaches to distracted driving based on education and police enforcement have shown low effectiveness. Smartphone applications to reduce distracted driving are an emerging technology with the potential to prevent road crashes. However, recent evidence has shown that the adoption of these applications has been limited. A qualitative study was carried out to investigate the acceptability of smartphone applications that are designed to prevent distracted driving. A total of 35 drivers (57% females) aged 19–44 years (Mean = 28.43) participated in interviews which explored acceptability constructs for in-vehicle intelligent technology as defined by Regan et al. (2012): usefulness, usability, effectiveness, social acceptability, affordability, and willingness to use the application functions. Generally, drivers perceived that these applications have the potential to increase safety and reduce voluntary and involuntary mobile phone interactions while driving. Nonetheless, it was also found that drivers want to retain some of the functionalities of their mobile phone, such as music playing applications, accessing GPS/maps and being able to interact with certain groups of people through their phones while driving. Finally, barriers to the uptake of the applications among drivers who use their mobile phone while driving are discussed. A frequent barrier that needs to be overcome is the perceived need and pressure to respond to their phone while driving to communicate for work purposes or with people with strong social ties to the driver, for example, a parent or spouse.
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Distracted driving is one of the most prevalent risky behaviours worldwide. Research has highlighted that current approaches to distracted driving based on education and police enforcement have shown low effectiveness. Smartphone applications to reduce distracted driving are an emerging technology with the potential to prevent road crashes. However, recent evidence has shown that the adoption of these applications has been limited. A qualitative study was carried out to investigate the acceptability of smartphone applications that are designed to prevent distracted driving. A total of 35 drivers (57% females) aged 19–44 years (Mean = 28.43) participated in interviews which explored acceptability constructs for in-vehicle intelligent technology as defined by Regan et al. (2012): usefulness, usability, effectiveness, social acceptability, affordability, and willingness to use the application functions. Generally, drivers perceived that these applications have the potential to increase safety and reduce voluntary and involuntary mobile phone interactions while driving. Nonetheless, it was also found that drivers want to retain some of the functionalities of their mobile phone, such as music playing applications, accessing GPS/maps and being able to interact with certain groups of people through their phones while driving. Finally, barriers to the uptake of the applications among drivers who use their mobile phone while driving are discussed. A frequent barrier that needs to be overcome is the perceived need and pressure to respond to their phone while driving to communicate for work purposes or with people with strong social ties to the driver, for example, a parent or spouse.