With long hours of work, might depression then lurk? A nationwide prospective follow-up study among Danish senior medical consultants
OBJECTIVE: The aim of this study was to examine depression as a potential negative health effect of long work hours, anticipating an exposure–response relationship. METHOD: A nationwide prospective cohort study of 2790 Danish senior medical consultants was conducted (61.7% response rate). With the c...
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Nordic Association of Occupational Safety and Health (NOROSH)
2012-09-01
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doaj-49cbe544c8264f54b9eca260c0dd23cf2021-04-22T09:20:39ZengNordic Association of Occupational Safety and Health (NOROSH)Scandinavian Journal of Work, Environment & Health0355-31401795-990X2012-09-0138541842610.5271/sjweh.32683268With long hours of work, might depression then lurk? A nationwide prospective follow-up study among Danish senior medical consultantsAnshu Varma0Jacob L MarottChristian Ditlev Gabriel StoltenbergJoanna WieclawHenrik A KolstadJens Peter BondeDepartment of Occupational and Environmental Medicine, Bispebjerg Hospital, Bispebjerg Bakke 23, DK-2400 Copenhagen, Denmark.OBJECTIVE: The aim of this study was to examine depression as a potential negative health effect of long work hours, anticipating an exposure–response relationship. METHOD: A nationwide prospective cohort study of 2790 Danish senior medical consultants was conducted (61.7% response rate). With the consent of Danish Data Protection Agency, data from a questionnaire survey was linked with data from a Medical Products Agency Register. Long work hours were defined based on a self-reported average of weekly work hours >40, while redemption of anti-depressive (AD) drug prescriptions defined depression. Proportional hazards Cox regression analyses were conducted adjusting for gender, age, marital status, medical specialty, decision authority at work, work social support, quantitative work demands, and AD drugs prescribed before baseline. RESULTS: Long weekly work hours did not increase the risk of redeeming AD drug prescriptions at all times during follow-up compared to the reference of 37–40 work hours [41–44 hours: hazard ratio (HR) 0.95, 95% confidence interval (95% CI) 0.5–1.8; 45–49 hours: HR 0.88, 95% CI 0.4–1.8; 50–54 hours: HR 0.83, 95% CI 0.3–2.1; 55–59 hours: HR 0.67, 95% CI 0.2–2.9; ≥60 hours: HR 0.48, 95% CI 0.1–3.7]. The same result emerged when work hours was applied in a continuous form (from 25–36 hours to 37–40 hours to 41–44 hours and so on) (HR 0.93, 95% CI 0.76–1.13) and when robust analyses were conducted (data not shown). CONCLUSIONS: This study does not support the anticipation that long work hours increase the risk of depression. If anything, long work hours vaguely appear to decrease the risk of redeeming AD drug prescriptions. https://www.sjweh.fi/show_abstract.php?abstract_id=3268 worktimedenmarkwork hourworking timemedical consultantanti-depressive druglong work hourmental healthprospective studydepression |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Anshu Varma Jacob L Marott Christian Ditlev Gabriel Stoltenberg Joanna Wieclaw Henrik A Kolstad Jens Peter Bonde |
spellingShingle |
Anshu Varma Jacob L Marott Christian Ditlev Gabriel Stoltenberg Joanna Wieclaw Henrik A Kolstad Jens Peter Bonde With long hours of work, might depression then lurk? A nationwide prospective follow-up study among Danish senior medical consultants Scandinavian Journal of Work, Environment & Health worktime denmark work hour working time medical consultant anti-depressive drug long work hour mental health prospective study depression |
author_facet |
Anshu Varma Jacob L Marott Christian Ditlev Gabriel Stoltenberg Joanna Wieclaw Henrik A Kolstad Jens Peter Bonde |
author_sort |
Anshu Varma |
title |
With long hours of work, might depression then lurk? A nationwide prospective follow-up study among Danish senior medical consultants |
title_short |
With long hours of work, might depression then lurk? A nationwide prospective follow-up study among Danish senior medical consultants |
title_full |
With long hours of work, might depression then lurk? A nationwide prospective follow-up study among Danish senior medical consultants |
title_fullStr |
With long hours of work, might depression then lurk? A nationwide prospective follow-up study among Danish senior medical consultants |
title_full_unstemmed |
With long hours of work, might depression then lurk? A nationwide prospective follow-up study among Danish senior medical consultants |
title_sort |
with long hours of work, might depression then lurk? a nationwide prospective follow-up study among danish senior medical consultants |
publisher |
Nordic Association of Occupational Safety and Health (NOROSH) |
series |
Scandinavian Journal of Work, Environment & Health |
issn |
0355-3140 1795-990X |
publishDate |
2012-09-01 |
description |
OBJECTIVE: The aim of this study was to examine depression as a potential negative health effect of long work hours, anticipating an exposure–response relationship. METHOD: A nationwide prospective cohort study of 2790 Danish senior medical consultants was conducted (61.7% response rate). With the consent of Danish Data Protection Agency, data from a questionnaire survey was linked with data from a Medical Products Agency Register. Long work hours were defined based on a self-reported average of weekly work hours >40, while redemption of anti-depressive (AD) drug prescriptions defined depression. Proportional hazards Cox regression analyses were conducted adjusting for gender, age, marital status, medical specialty, decision authority at work, work social support, quantitative work demands, and AD drugs prescribed before baseline. RESULTS: Long weekly work hours did not increase the risk of redeeming AD drug prescriptions at all times during follow-up compared to the reference of 37–40 work hours [41–44 hours: hazard ratio (HR) 0.95, 95% confidence interval (95% CI) 0.5–1.8; 45–49 hours: HR 0.88, 95% CI 0.4–1.8; 50–54 hours: HR 0.83, 95% CI 0.3–2.1; 55–59 hours: HR 0.67, 95% CI 0.2–2.9; ≥60 hours: HR 0.48, 95% CI 0.1–3.7]. The same result emerged when work hours was applied in a continuous form (from 25–36 hours to 37–40 hours to 41–44 hours and so on) (HR 0.93, 95% CI 0.76–1.13) and when robust analyses were conducted (data not shown). CONCLUSIONS: This study does not support the anticipation that long work hours increase the risk of depression. If anything, long work hours vaguely appear to decrease the risk of redeeming AD drug prescriptions. |
topic |
worktime denmark work hour working time medical consultant anti-depressive drug long work hour mental health prospective study depression |
url |
https://www.sjweh.fi/show_abstract.php?abstract_id=3268
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