Association of Racial Residential Segregation Throughout Young Adulthood and Cognitive Performance in Middle-aged Participants in the CARDIA Study [jamanetwork.com]

Rafael Maravilla(PACEs Connection Staff) 5/11/207:00 AM

By Michelle R. Caunca, Michelle C. Odden, M. Maria Glymour, et al., JAMA Neurology, May 4, 2020

Key Points

Question: Is cumulative exposure to residential segregation in young adulthood associated with midlife cognitive performance among black individuals in the US?

Findings: This cohort study of 1568 black participants in the Coronary Artery Risk Development in Young Adults study found that relative to living in low-segregation neighborhoods, black participants who were exposed to highly segregated neighborhoods in young adulthood exhibited worse performance in processing speed.

Meaning: The findings suggest that cumulative exposure to residential segregation is associated with poor cognitive performance among black individuals as early as midlife, which may explain black-white disparities in dementia risk at older age.

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