Are Depressive Symptoms a Risk Factor for Mortality in Elderly Japanese American Men?: The Honolulu-Asia Aging Study

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Abstract
OBJECTIVE: This study determined the influence of depressive symptoms on subsequent mortality of all causes. METHOD: The Honolulu Heart Program, established in 1965, is a prospective, community-based cohort of Japanese American men living in Hawaii. The analysis was based on 3,196 Japanese American men aged 71–93 at the time of the fourth examination in 1991–1993. Depressive symptoms were measured by use of an 11-question version of the Centers for Epidemiologic Studies Depression Scale questionnaire. All-cause mortality data were available for 6 years of follow up. Data were analyzed on the basis of presence or absence of chronic diseases. RESULTS: The overall prevalence of frequent depressive symptoms was 9.9%. Age-adjusted mortality rates at 3 years were 48.0 and 30.3 per 1,000 person-years for the depressed and nondepressed groups, respectively. At 6 years, the rates were 54.1 (depressed) and 41.5 (nondepressed) per 1,000 person-years. After adjustment for age, marital status, and antidepressant use, ...