Sticks and Stones: Perceived Age Discrimination, Well-Being, and Health Over a 20-Year Period.

This study examines associations between perceived day-to-day age discrimination, positive well-being, and physical health over a 20-year span. Data came from all three waves of the National Survey of Midlife Development in the United States (1995-2014). Generalized structural equation modeling was used to analyze 6,016 observations of 3,102 participants and test associations between age discrimination and (a) psychological well-being and positive affect, and (b) self-rated health, instrumental activities of daily living, and chronic conditions. Associations were also examined between the well-being measures and all three health outcomes. Between-persons and within-persons effects were modeled separately but simultaneously. Both between-persons and within-persons results revealed numerous significant associations between age discrimination and physical health, although results were stronger between-persons. Moreover, hypothesized associations of age discrimination with well-being, and of well-being with physical health, were supported both between- and within-persons. Findings suggest diminished well-being may be one mechanism whereby age discrimination harms health.