Shift work and mental health sickness absence: A 10-year observational cohort study among male production workers

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Abstract

Objectives Epidemiological studies investigating mental-health-related sickness absence (SA) among shift workers are lacking. This 10-year observational study investigated the risk of mental health SA among shift compared with day workers.

Methods The data of 5826 male production workers were used for analyses: 4288 (74%) shift and 1538 (26%) day workers. The risk of mental health SA was analyzed with Cox regression analysis. Hazard ratios (BR) and 95% confidence intervals (95% CI) were adjusted for age and occupational grade.

Results During a 10-year follow-up, 351 shift workers and 126 day workers had incident mental health SA. The risk of mental health SA did not differ (HR 1.03, 95% CI 0.84-1.26) between shift and day workers. Among shift workers, the risk of SA due to mood disorders (HR 1.87, 95% CI 0.73-4.76) was non-significantly higher than among day workers. A total of 96 shift workers and 21 day workers had recurrent mental health SA. The risk of recurrent mental health SA did not differ (HR 1.04, 95% CI 0.62-1.74) between shift and day workers.

Conclusion The risk of incident and recurrent mental health SA did not differ between shift and day workers.

Original languageEnglish
Pages (from-to)413-416
Number of pages4
JournalScandinavian Journal of Work, Environment & Health
Volume41
Issue number4
DOIs
Publication statusPublished - Jul-2015

Keywords

  • absenteeism
  • ICD-10
  • incidence
  • irregular work hour
  • men
  • mental disorder
  • psychiatric disorder
  • sick leave
  • DEPRESSION

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