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Working overtime hours: Relations with fatigue, work motivation, and the quality of work

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Author: Beckers, D.G.J. · Linden, D. van der · Smulders, P.G.W. · Kompier, M.A.J. · Veldhoven, M.J.P.M. van · Yperen, N.W. van
Institution: TNO Arbeid
Source:Journal of Occupational and Environmental Medicine, 12, 46, 1282-1289
Identifier: 238119
doi: doi:10.1097/01.jom.0000147210.95602.50
Keywords: Workplace · Veilig en Gezond Werken · Overwerk · Nederland · Arbeidsvoldoening · Arbeidssatisfactie · Vermoeidheid · Arbeidsomstandigheden · Comparative study · Controlled study · Dysthymia · Job performance · Prevalence · Working time · Adolescent · Adult · Fatigue · Female · Health Surveys · Humans · Job Satisfaction · Male · Middle Aged · Motivation · Multivariate Analysis · Netherlands · Prevalence · Reference Values · Task Performance and Analysis · Work Schedule Tolerance · Workload


Objectives: We sought to better understand the relationship between overtime and mental fatigue by taking into account work motivation and the quality of overtime work and studying theoretically derived subgroups. Methods: We conducted a survey-study among a representative sample of the Dutch full-time workforce (n = 1807). The prevalence of overtime work and the associations between overtime and job demands, job variety, decision latitude, fatigue, and work motivation was studied through descriptive statistics. We used MANCOVA (covariates: age, gender, salary level) to compare six overtime-fatigue subgroups with respect to work motivation and job characteristics. Results: A total of 67% of the respondents worked overtime (mean, 3.5 hours). Overtime workers appeared to be nonfatigued, motivated workers with favorable work characteristics. MANCOVA revealed no significant overtime-fatigue interaction. Conclusions: Moderate overtime is common among Dutch workers, who seem to be happy workers with attractive jobs rather than fatigued employees.