Conflicts Between Work and Family Life and Subsequent Sleep Problems Among Employees from Finland, Britain, and Japan
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Research on the association between family-to-work and work-to-family conflicts and sleep problems is sparse and mostly cross-sectional. We examined these associations prospectively in three occupational cohorts.
Data were derived from the Finnish Helsinki Health Study (n = 3,881), the British Whitehall II Study (n = 3,998), and the Japanese Civil Servants Study (n = 1,834). Sleep problems were assessed using the Jenkins sleep questionnaire in the Finnish and British cohorts and the Pittsburgh Sleep Quality Index in the Japanese cohort. Family-to-work and work-to-family conflicts measured whether family life interfered with work or vice versa. Age, baseline sleep problems, job strain, and self-rated health were adjusted for in logistic regression analyses.
Adjusted for age and baseline sleep, strong family-to-work conflicts were associated with subsequent sleep problems among Finnish women (OR, 1.33 (95 % CI, 1.02–1.73)) and Japanese employees of both sexes (OR, 7.61 (95 % CI, 1.01–57.2) for women; OR, 1.97 (95 % CI, 1.06–3.66) for men). Strong work-to-family conflicts were associated with subsequent sleep problems in British, Finnish, and Japanese women (OR, 2.36 (95 % CI, 1.42–3.93), 1.62 (95 % CI, 1.20–2.18), and 5.35 (95 % CI, 1.00–28.55), respectively) adjusted for age and baseline sleep problems. In men, this association was seen only in the British cohort (OR, 2.02 (95 % CI, 1.42–2.88)). Adjustments for job strain and self-rated health produced no significant attenuation of these associations.
Family-to-work and work-to-family conflicts predicted subsequent sleep problems among the majority of employees in three occupational cohorts.
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- Conflicts Between Work and Family Life and Subsequent Sleep Problems Among Employees from Finland, Britain, and Japan
International Journal of Behavioral Medicine
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- Sleep Quality
- Work-family Interface
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- Author Affiliations
- 1. Hjelt Institute, Department of Public Health, University of Helsinki, Helsinki, Finland
- 2. Finnish Institute of Occupational Health, Topeliuksenkatu 41a A, 00250, Helsinki, Finland
- 3. Department of Epidemiology and Public Health, University College London, London, UK
- 4. School of Community and Social Medicine, University of Bristol, Bristol, UK
- 5. University of Toyama, Toyama, Japan