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J Korean Med Sci. 2017 Jul;32(7):1091-1096. doi: 10.3346/jkms.2017.32.7.1091.

Night Shift Work and Risk of Depression: Meta-analysis of Observational Studies.

Author information

1
Department of Family Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Korea.
2
Department of Cancer Control and Policy, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Korea.
3
Molecular Epidemiology Branch, Division of Cancer Epidemiology and Prevention, Research Institute, National Cancer Center, Goyang, Korea.
4
Department of Family Medicine and Center for Cancer Prevention and Detection, Hospital, National Cancer Center, Goyang, Korea.
5
Department of Family Medicine, Hallym University Dongtan Sacred Heart Hospital, Hwaseong, Korea. threej@hallym.or.kr.

Abstract

This study aimed to assess whether night shift work is associated with the risk of depression by using a meta-analysis of observational studies. We searched PubMed and EMBASE in August, 2016 to locate eligible studies and investigated the association between night shift work and the risk of depression, reporting outcome measures with adjusted odds ratios (ORs) or relative risks (RRs) and 95% confidence intervals (CIs). In the meta-analysis of a total of 11 observational studies with 9 cross-sectional study, 1 longitudinal study, and 1 cohort study, night shift work was significantly associated with an increased risk of depression (OR/RR, 1.43; 95% CI, 1.24-1.64; I² = 78.0%). Also, subgroup meta-analyses by gender, night shift work duration, type of occupation, continent, and type of publication showed that night shift work was consistently associated with the increased risk of depression. The current meta-analysis suggests that night shift work is associated with the increased risk of depression. However, further large prospective cohort studies are needed to confirm this association.

KEYWORDS:

Depression; Meta-analysis; Night Shift Work; Observational Study

PMID:
28581264
PMCID:
PMC5461311
DOI:
10.3346/jkms.2017.32.7.1091
[Indexed for MEDLINE]
Free PMC Article

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