Conflicts Between Work and Family Life and Subsequent Sleep Problems Among Employees from Finland, Britain, and Japan

Purpose 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. Methods Data were derived from the Finnish Helsinki Health Study ( n  = 3,881),...

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Bibliographic Details
Published in:International journal of behavioral medicine 2014-04, Vol.21 (2), p.310-318
Main Authors: Lallukka, T., Ferrie, J. E., Kivimäki, M., Shipley, M. J., Sekine, M., Tatsuse, T., Pietiläinen, O., Rahkonen, O., Marmot, M. G., Lahelma, E.
Format: Article
Language:English
Subjects:
Adult
Conflict (Psychology)
Cross cultural studies
Employees
Families & family life
Family Medicine
Family Relations
Female
Finland
General Practice
Health Psychology
Health Status
Humans
Japan
Logistic Models
Male
Medicine
Medicine & Public Health
Middle Aged
Prospective Studies
Self Report
Sensitivity and Specificity
Sex Factors
Sleep
Sleep Wake Disorders - physiopathology
Sleep Wake Disorders - psychology
Surveys and Questionnaires
United Kingdom
Work - psychology
Work life balance
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Summary:Purpose 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. Methods 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. Results 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. Conclusion Family-to-work and work-to-family conflicts predicted subsequent sleep problems among the majority of employees in three occupational cohorts.
ISSN:1070-5503
1532-7558
DOI:10.1007/s12529-013-9301-6