Influence on working hours among shift workers and effects on sleep quality - An intervention study

Tidsskriftartikel - 2011

Resume

The aim of the present intervention study was to examine if increased influence on working hours among shift workers led to better sleep quality.391 employees were categorized into groups based on the performed activities: High (self-rostering), moderate (education and/or policy for working hours), and low intensity intervention (meetings and discussions) and reference. Sleep quality was assessed by Karolinska Sleep Questionnaire (KSQ) at baseline and follow-up (12 months). To elucidate the process of the intervention interviews were conducted.Influence on one's own working hours increased only in the high intensity group (p <0.001). No effects of interventions on sleep quality were observed. Thus, sleep quality was not improved by increasing work time influence in the present group of Danish elder care workers. This was partly due to program failure (failed intervention), but may also be due to other factors such as few participants working night and few working full time.

Reference

Garde AH, Nabe-Nielsen K, Aust BMR. Influence on working hours among shift workers and effects on sleep quality - An intervention study. Applied Ergonomics 2011;42(2):238-243.
doi: 10.1016/j.apergo.2010.06.011

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