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Summary
This summary is machine-generated.

Discrimination impacts older adults' cognition, particularly for Indigenous, Brown, and low-income individuals. These findings highlight the need for targeted public policies to support vulnerable intersectional groups.

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Area of Science:

  • Gerontology
  • Public Health
  • Sociology

Background:

  • Intersectionality theory explains how overlapping identities influence older adults' cognition.
  • Lived experiences of discrimination can create reinforcing systems of oppression.
  • This study investigates how discrimination affects cognitive scores across diverse intersectional groups.

Purpose of the Study:

  • To examine the impact of discrimination on cognitive scores in older adults.
  • To analyze how these effects vary across different racial, sex, and socioeconomic strata.
  • To identify vulnerable intersectional groups disproportionately affected by discrimination.

Main Methods:

  • Utilized data from the Brazilian Longitudinal Study of Aging (ELSI-Brazil) wave 1 (2015-2016).
  • Assessed discrimination using five questions and calculated a global cognitive composite score.
  • Employed stratified linear regression models, adjusting for demographic and socioeconomic factors.

Main Results:

  • 15.3% of older adults reported discrimination, with highest rates among Indigenous individuals.
  • Overall discrimination was not associated with cognitive scores, but it predicted lower cognition in Brown individuals.
  • The impact of discrimination on cognition was more pronounced in low socioeconomic status (SES) individuals and varied by race and sex.

Conclusions:

  • Discrimination significantly impacts older adults' cognitive scores, with effects varying by race, sex, and income.
  • Indigenous, Brown individuals, women, and those with low SES are disproportionately affected.
  • Further research is needed to inform public policies targeting vulnerable intersectional groups.