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J Epidemiol. 2019 Jul 27. doi: 10.2188/jea.JE20190005. [Epub ahead of print]

Cross-sectional association between employment status and self-rated health among middle-aged Japanese women: The influence of socioeconomic conditions and work-life conflict.

Author information

1
Social and Behavioral Sciences, Osaka Medical College, Faculty of Medicine.
2
Public Health, Department of Social Medicine, Graduate School of Medicine, Osaka University.
3
Department of Public Health, Graduate School of Medicine, Juntendo University.
4
Department of Public Health Medicine, Faculty of Medicine, University of Tsukuba.
5
Department of Public Health and Epidemiology, Faculty of Medicine, Oita University.
6
Center for Education and Educational Research, Faculty of Education, Ehime University.
7
Department of Public Health, Kochi Medical School.
8
Department of Public Health, Nagasaki University, Graduate School of Biomedical Sciences.
9
Department of Hygiene and Preventive Medicine, Iwate Medical University.
10
Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center.

Abstract

BackgroundFew studies examining the impact for women of employment status on health have considered domestic duties and responsibilities as well as household socioeconomic conditions. Moreover, to our knowledge, no studies have explored the influence of work-family conflict on the association between employment status and health. This research aimed to investigate the cross-sectional associations between employment status (regular employee, non-regular employee, or self-employed) with self-rated health among Japanese middle-aged working women.MethodsSelf-report data were obtained from 21,450 working women aged 40-59 years enrolled in the Japan Public Health Center-based Prospective Study for the Next Generation (JPHC-NEXT Study) in 2011-2016. Multivariate odds ratios (ORs) and 95% confidence intervals (CIs) were calculated for poor self-rated health ('poor' or 'not very good') by employment status. The sub-group analyses by household income and marital status as well as mediation analysis for work-family conflict were also conducted.ResultsAdjusted ORs for the poor self-rated health of non-regular employees and self-employed workers were 0.90 (95% CI, 0.83-0.98) and 0.84 (95% CI, 0.75-0.94), respectively, compared with regular employees. The identified association of non-regular employment was explained by work-family conflict. Subgroup analysis indicated no statistically significant modifying effects by household income and marital status.ConclusionAmong middle-aged working Japanese women, employment status was associated with self-rated health; non-regular employees and self-employed workers were less likely to report poor self-rated health, compared with regular employees. Lowered OR of poor self-rated health among non-regular employees may be explained by their reduced work-family conflict.

KEYWORDS:

Employment status; Japan; self-rated health; women; work-family conflict

PMID:
31353324
DOI:
10.2188/jea.JE20190005
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