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The association between commuter cycling and sickness absence

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Author: Hendriksen, I.J.M. · Simons, M. · Garre, F.G. · Hildebrandt, V.H.
Type:article
Date:2010
Institution: TNO Kwaliteit van Leven
Source:Preventive Medicine, 2, 51, 132-135
Identifier: 408452
Keywords: Health · Active transport · Cycling · Dose-response relationship · Physical activity · Absenteeism · Adult · Dose response · Female · Health behavior · Human · Male · Questionnaire · Self report · Work environment

Abstract

Objective: To study the association between commuter cycling and all-cause sickness absence, and the possible dose-response relationship between absenteeism and the distance, frequency and speed of commuter cycling. Method: Cross-sectional data about cycling in 1236 Dutch employees were collected using a self-report questionnaire. Company absenteeism records were checked over a one-year period (May 2007-April 2008). Propensity scores were used to make groups comparable and to adjust for confounders. Zero-inflated Poisson models were used to assess differences in absenteeism between cyclists and non-cyclists. Results: The mean total duration of absenteeism over the study year was more than 1. day shorter in cyclists than in non-cyclists. This can be explained by the higher proportion of people with no absenteeism in the cycling group. A dose-response relationship was observed between the speed and distance of cycling and absenteeism. Compared to people who cycle a short distance (≤ 5. km) three times a week, people who cycle more often and longer distances are absent for fewer days on average. Conclusion: Cycling to work is associated with less sickness absence. The more often people cycle to work and the longer the distance travelled, the less they report sick. © 2010 Elsevier Inc.