Abstract
Exposure to discrimination is consistently linked with worse physical and mental health outcomes. One potential reason is that discriminatory experiences shape the way people interpret and affectively react to daily stressful events which in turn impacts health. The current study examined the role of these two daily psychological stress processes as a pathway linking the longitudinal association between perceived discrimination and health outcomes. Participants in the National Study of Daily Experiences (NSDE), a subset of the Midlife in the United States (MIDUS) study, were followed over three waves spanning 20 years (N = 1,315). Perceptions of lifetime and everyday discrimination were measured by questionnaire at Wave 1; daily assessments of stress, threat appraisals, and negative affect were assessed through 8 days of daily dairies at Wave 2; measures of physical health (chronic conditions, functional limitations, and self-rated physical health) and mental health (depression, anxiety, and self-rated mental health) were assessed at Wave 3. Each wave of data was collected 9-10 years apart. Lifetime and everyday discrimination were associated with worse physical and mental health outcomes 20 years later. Daily threat appraisals and negative affective reactivity to daily stressors mediated the effect of discrimination on physical and mental health. Daily psychological stress processes are a potential mechanism by which exposure to unfair treatment relates to health. Findings underscore the insidious nature of unfair treatment and demonstrate how such experiences may be particularly consequential for daily stress processes and later physical and mental health outcomes. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
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