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International Archives of Occupational and Environmental Health

Erschienen in:

12.03.2019 | Original Article

Long working hours and depressive symptoms: moderating effects of gender, socioeconomic status, and job resources

verfasst von: Kanami Tsuno, Ichiro Kawachi, Akiomi Inoue, Saki Nakai, Takumi Tanigaki, Hikaru Nagatomi, Norito Kawakami, JSTRESS Group

Erschienen in: International Archives of Occupational and Environmental Health | Ausgabe 5/2019

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Abstract

Purpose

Systematic reviews and meta-analyses have found inconsistent associations between working hours and depressive symptoms. The purpose of this study was to investigate the possible moderators of this association, using data from a large-scale cross-sectional survey.

Methods

A total of 16,136 Japanese employees (men 83.5%; women 16.5%) responded to a self-administered questionnaire inquiring about overtime working hours during the previous month and depressive symptoms (Center for Epidemiologic Studies Depression scale), as well as moderating factors including gender, age, marital status, socioeconomic status, commuting time, sleeping hours per day, job control and worksite social support (Job Content Questionnaire), neuroticism (Eysenck’s Personality Questionnaire Revised), and social desirability (Social Desirability Scale) (response rate, 85%). We conducted sequential regression analyses to investigate the main effects and interaction effects of all moderating variables.

Results

The association between overtime working hours and depressive symptoms was significantly moderated by gender (interaction effect: β = 0.03), age (β = − 0.02), manager (β = 0.03), sleeping hours (β = − 0.02), job control (β = − 0.03), and neuroticism (β = 0.02). Among workers engaged in 80 + hours of overtime, higher depressive symptoms were reported by women, younger employees, non-managers, employees with low job control, low worksite social support, and high neuroticism. A significant main effect of long overtime working hours on depressive symptoms was also observed even after controlling for all independent variables (β = 0.02).

Conclusions

Long overtime working hours is associated with depressive symptoms. We also found significant heterogeneity in the association according to employee characteristics, which may explain the inconsistent findings in previous literature.

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Titel: Long working hours and depressive symptoms: moderating effects of gender, socioeconomic status, and job resources
verfasst von: Kanami Tsuno
Ichiro Kawachi
Akiomi Inoue
Saki Nakai
Takumi Tanigaki
Hikaru Nagatomi
Norito Kawakami
JSTRESS Group
Publikationsdatum: 12.03.2019
Verlag: Springer Berlin Heidelberg
Erschienen in: International Archives of Occupational and Environmental Health / Ausgabe 5/2019
Print ISSN: 0340-0131
Elektronische ISSN: 1432-1246
DOI: https://doi.org/10.1007/s00420-019-01401-y

Springer Medizin

Abstract

Purpose

Methods

Results

Conclusions

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