Epidemiology study on relationship between psychosocial factors and inequalities in health with special references to work-family conflicts.

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In this study, about 6000 regional inhabitant aged 40-year-old or more and civil servants (A group ; about 6000 persons, B group ; about 2000 persons ) of local government were recruited as research objects. The relationships between psychosocial factors and inequalities in health were investigated by the follow-up studies.1)The baseline studyIn the regional inhabitants, each of 4 regions (physical, mental, social, environmental) of WHO-QOL was related to public participation and social support, and these psychosocial factors were related to various health indexes, too. In the civil servants, psychosocial factors such as WHO-QOL,SF-36,demand-control, effort-reward, sense of coherence(SOC) and job classification were mutually related, and these were also related to various health indexes.2)The follow-up studyIn the regional inhabitants, sleep quality, long term admission, and mortality showed gradients by the WHO-QOL score level. In the civil servants, there was a difference of sleep quality, sickness, absence, and incidence of chronic disease between stratified groups by psychosocial factors' levels.3)Work-family conflictsThe stress of occupational field influenced the health status in the region (home), while effects of gender and family make-up differences were received. Furthermore, regional (home) stress influenced the health status of occupational field in current society with less number of children and aging. It was addressed that family-work conflicts was stronger than work-family conflicts in civil servants.