OBJECTIVES: We examined the relation of individual-level perceived discrimination to mortality in a biracial, population-based sample. METHODS: Participants were 4154 older adults from the Chicago Health and Aging Project who underwent up to 2 interviews over 4.5 years. Perceived discrimination was measured at baseline, and vital status was obtained at each follow-up and verified through the National Death Index. RESULTS: During follow-up, 1166 deaths occurred. Participants reporting more perceived discrimination had a higher relative risk of death (hazard ratio [HR]= 1.05; 95% confidence interval [CI]=1.01, 1.09). This association was independent of differences in negative affect or chronic illness and appeared to be stronger among Whites than among Blacks (Whites: HR=1.12; 95% CI=1.04, 1.20; Blacks: HR=1.03; 95% CI=0.99, 1.07). Secondary analyses revealed that the relation to mortality was related to discriminatory experiences of a more demeaning nature and that racial differences were no longer significant when the sample was restricted to respondents interviewed by someone of the same race. CONCLUSIONS: Perceived discrimination was associated with increased mortality risk in a general population of older adults. The results suggest that subjective experience of interpersonal mistreatment is toxic in old age. This study adds to a growing literature documenting discrimination as an important social determinant of health.
OBJECTIVES: We examined the relation of individual-level perceived discrimination to mortality in a biracial, population-based sample. METHODS:Participants were 4154 older adults from the Chicago Health and Aging Project who underwent up to 2 interviews over 4.5 years. Perceived discrimination was measured at baseline, and vital status was obtained at each follow-up and verified through the National Death Index. RESULTS: During follow-up, 1166 deaths occurred. Participants reporting more perceived discrimination had a higher relative risk of death (hazard ratio [HR]= 1.05; 95% confidence interval [CI]=1.01, 1.09). This association was independent of differences in negative affect or chronic illness and appeared to be stronger among Whites than among Blacks (Whites: HR=1.12; 95% CI=1.04, 1.20; Blacks: HR=1.03; 95% CI=0.99, 1.07). Secondary analyses revealed that the relation to mortality was related to discriminatory experiences of a more demeaning nature and that racial differences were no longer significant when the sample was restricted to respondents interviewed by someone of the same race. CONCLUSIONS: Perceived discrimination was associated with increased mortality risk in a general population of older adults. The results suggest that subjective experience of interpersonal mistreatment is toxic in old age. This study adds to a growing literature documenting discrimination as an important social determinant of health.
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