Length of exposure to long working hours and night work and risk of sickness absence: a register-based cohort study

Abstract Background There is inconsistent evidence that long working hours and night work are risk factors for sickness absence, but few studies have considered variation in the length of exposure time window as a potential source of mixed findings. We examined whether the association of long workin...

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Autores principales:	Laura Peutere, Tom Rosenström, Aki Koskinen, Mikko Härmä, Mika Kivimäki, Marianna Virtanen, Jenni Ervasti, Annina Ropponen
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Sickness absence Night work Shift work Exposure time Nurses Working hours Public aspects of medicine RA1-1270
Acceso en línea:	https://doaj.org/article/157312f9e2b54b4cba48af642776a6b0
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spelling	oai:doaj.org-article:157312f9e2b54b4cba48af642776a6b02021-11-07T12:11:36ZLength of exposure to long working hours and night work and risk of sickness absence: a register-based cohort study10.1186/s12913-021-07231-41472-6963https://doaj.org/article/157312f9e2b54b4cba48af642776a6b02021-11-01T00:00:00Zhttps://doi.org/10.1186/s12913-021-07231-4https://doaj.org/toc/1472-6963Abstract Background There is inconsistent evidence that long working hours and night work are risk factors for sickness absence, but few studies have considered variation in the length of exposure time window as a potential source of mixed findings. We examined whether the association of long working hours and night work with sickness absence is dependent on the length of exposure to the working hour characteristics. Methods We analysed records of working hours, night work and sickness absence for a cohort of 9226 employees in one hospital district in Finland between 2008 and 2019. The exposure time windows ranged from 10 to 180 days, and we used Cox’s proportional hazards models with time-dependent exposures to analyse the associations between working-hour characteristics and subsequent sickness absence. Results Longer working hours for a period of 10 to 30 days was not associated with the risk of sickness absence whereas longer working hours for a period of 40 to 180 days was associated with a lower risk of sickness absence. Irrespective of exposure time window, night work was not associated with sickness absence. Conclusions It is important to consider the length of exposure time window when examining associations between long working hours and sickness absence, whereas the association between night work and sickness absence is not similarly sensitive to exposure times.Laura PeutereTom RosenströmAki KoskinenMikko HärmäMika KivimäkiMarianna VirtanenJenni ErvastiAnnina RopponenBMCarticleSickness absenceNight workShift workExposure timeNursesWorking hoursPublic aspects of medicineRA1-1270ENBMC Health Services Research, Vol 21, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Sickness absence Night work Shift work Exposure time Nurses Working hours Public aspects of medicine RA1-1270
spellingShingle	Sickness absence Night work Shift work Exposure time Nurses Working hours Public aspects of medicine RA1-1270 Laura Peutere Tom Rosenström Aki Koskinen Mikko Härmä Mika Kivimäki Marianna Virtanen Jenni Ervasti Annina Ropponen Length of exposure to long working hours and night work and risk of sickness absence: a register-based cohort study
description	Abstract Background There is inconsistent evidence that long working hours and night work are risk factors for sickness absence, but few studies have considered variation in the length of exposure time window as a potential source of mixed findings. We examined whether the association of long working hours and night work with sickness absence is dependent on the length of exposure to the working hour characteristics. Methods We analysed records of working hours, night work and sickness absence for a cohort of 9226 employees in one hospital district in Finland between 2008 and 2019. The exposure time windows ranged from 10 to 180 days, and we used Cox’s proportional hazards models with time-dependent exposures to analyse the associations between working-hour characteristics and subsequent sickness absence. Results Longer working hours for a period of 10 to 30 days was not associated with the risk of sickness absence whereas longer working hours for a period of 40 to 180 days was associated with a lower risk of sickness absence. Irrespective of exposure time window, night work was not associated with sickness absence. Conclusions It is important to consider the length of exposure time window when examining associations between long working hours and sickness absence, whereas the association between night work and sickness absence is not similarly sensitive to exposure times.
format	article
author	Laura Peutere Tom Rosenström Aki Koskinen Mikko Härmä Mika Kivimäki Marianna Virtanen Jenni Ervasti Annina Ropponen
author_facet	Laura Peutere Tom Rosenström Aki Koskinen Mikko Härmä Mika Kivimäki Marianna Virtanen Jenni Ervasti Annina Ropponen
author_sort	Laura Peutere
title	Length of exposure to long working hours and night work and risk of sickness absence: a register-based cohort study
title_short	Length of exposure to long working hours and night work and risk of sickness absence: a register-based cohort study
title_full	Length of exposure to long working hours and night work and risk of sickness absence: a register-based cohort study
title_fullStr	Length of exposure to long working hours and night work and risk of sickness absence: a register-based cohort study
title_full_unstemmed	Length of exposure to long working hours and night work and risk of sickness absence: a register-based cohort study
title_sort	length of exposure to long working hours and night work and risk of sickness absence: a register-based cohort study
publisher	BMC
publishDate	2021
url	https://doaj.org/article/157312f9e2b54b4cba48af642776a6b0
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Length of exposure to long working hours and night work and risk of sickness absence: a register-based cohort study

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