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Prospective cohort study of stress, life satisfaction, self-rated health, insomnia, and suicide death in Japan.

Fujino Y, Mizoue T, Tokui N, Yoshimura T

Department of Clinical Epidemiology, Institute of Industrial Ecological Sciences at the University of Occupational and Environmental Health, Japan.

The association between many psychosocial factors and risk of suicide was examined. A cohort was conducted over 14 years of follow up among the general population (15,597 people) in Japan. A baseline survey of psychosocial characteristics was conducted by self-administrated questionnaire. The relative risks of occasional emotional stress, difficulty maintaining sleep, and reporting unhealthy as their self-rated health are 3.2 (95% CI: 1.3, 7.6), 2.4 (95% CI: 1.3, 4.3) and 2.6 (95% CI: 1.1, 6.2), respectively. The importance of these observations lie in its potential for improving physician and public awareness of psychosocial factors as an early indication of mental health morbidity.

Published 21 April 2005 in Suicide Life Threat Behav, 35(2): 227-37.
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