Abstract
The effects of black race and psychologic stress on the risk of acquiring herpes zoster in late life were examined. Subjects were participants of a stratified probability sample of community-dwelling persons > or = 65 years old. A comprehensive health survey was administered in 1986-1987 (P1), 1989-1990 (P2), and 1992-1994 (P3). Incident cases of zoster between P1 and P2 and P2 and P3 served as the dependent variables. Hypothesis-testing variables included race, negative life events, and measures of social support. Control variables included age, sex, education, cancer, other chronic diseases, hospitalization, activities of daily living, self-rated health, depression, and cigarette smoking. From P1 to P2, 1.4% of black and 3.4% of white subjects developed zoster (P < .001). From P2 to P3, 2.9% of black and 7.5% of white subjects developed zoster (P < .001). After controlling for variables, black subjects were significantly less likely to develop zoster than were white subjects (adjusted odds ratio, 0.37; 95% confidence interval, 0.26, 0.53; P = .0001). Most measures of stress were not significantly related to zoster; however, study limitations preclude definitive conclusions.
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