Chloe W Eng1,2, Medellena Maria Glymour1, Paola Gilsanz2, Dan M Mungas3, Elizabeth R Mayeda4, Oanh L Meyer3, Rachel A Whitmer2,5. 1. Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco. 2. Division of Research, Kaiser Permanente Northern California, Oakland. 3. Departments of Neurology. 4. Department of Epidemiology, Center for Health Sciences, University of California Los Angeles, Los Angeles, CA. 5. Public Health Sciences-Medical Sciences 1-C, University of California Davis, Davis.
Abstract
INTRODUCTION: Educational attainment is associated with late-life cognitive performance and dementia; few studies have examined diverse racial/ethnic groups to assess whether the association differs by race/ethnicity. METHODS: We investigated whether the association between educational attainment and cognition differed between White, Black, Asian, and Latino participants in the Kaiser Healthy Aging and Diverse Life Experiences study (n=1348). Covariate-adjusted multivariable linear regression models examined domains of verbal episodic memory, semantic memory, and executive functioning. RESULTS: We observed significant effect heterogeneity by race/ethnicity only for verbal episodic memory (P=0.0198), for which any schooling between high school and college was beneficial for White, Asian, and Black participants, but not Latino participants. We found no evidence of heterogeneity for semantic memory or executive function. DISCUSSION: With the exception of Latino performance on verbal episodic memory, more education consistently predicted better cognitive scores to a similar extent across racial/ethnic groups, despite likely heterogenous educational and social experiences.
INTRODUCTION: Educational attainment is associated with late-life cognitive performance and dementia; few studies have examined diverse racial/ethnic groups to assess whether the association differs by race/ethnicity. METHODS: We investigated whether the association between educational attainment and cognition differed between White, Black, Asian, and Latino participants in the Kaiser Healthy Aging and Diverse Life Experiences study (n=1348). Covariate-adjusted multivariable linear regression models examined domains of verbal episodic memory, semantic memory, and executive functioning. RESULTS: We observed significant effect heterogeneity by race/ethnicity only for verbal episodic memory (P=0.0198), for which any schooling between high school and college was beneficial for White, Asian, and Black participants, but not Latino participants. We found no evidence of heterogeneity for semantic memory or executive function. DISCUSSION: With the exception of Latino performance on verbal episodic memory, more education consistently predicted better cognitive scores to a similar extent across racial/ethnic groups, despite likely heterogenous educational and social experiences.
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