ArticleEpidemiology and psychiatric sciences2024
Racial and ethnic disparities in social isolation and 11-year dementia risk among older adults in the United States.
Article in Epidemiology and psychiatric sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- The association of adverse childhood experiences and life course relationship quality with late-life cognitive health: Moderation by race/ethnicity and gender.Journal of Alzheimer's disease : JAD · 2026Article
- Prevalence of Alzheimer's Disease and Cardiometabolic Multimorbidity in Older Adults Aged 60 and above in a Large-Scale Representative Sample in Türkiye: A Nationwide Population-Based Cross-Sectional Study.Journal of epidemiology and global health · 2025Article
- Article
- Rural Roads to Cognitive Resilience (RRR): A prospective cohort study protocol.medRxiv : the preprint server for health sciences · 2024Article
- Perception of dementia risk among Black adults: an ecological analysis of causal loop diagrams with a structural and social determinant of health composite index.Alzheimer's & dementia (New York, N. Y.)Article
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Authors and funding
3 authors.
Funding
Abstract
aimsSocial isolation has been implicated in the development of cognitive impairment, but research on this association remains limited among racial-ethnic minoritized populations. Our study examined the interplay between social isolation, race-ethnicity and dementia.
methodsWe analyzed 11 years (2011-2021) of National Health and Aging Trends Study (NHATS) data, a prospective nationally representative cohort of U.S. Medicare beneficiaries aged 65 years and older. Dementia status was determined using a validated NHATS algorithm. We constructed a longitudinal score using a validated social isolation variable for our sample of 6,155 community-dwelling respondents. Cox regression determined how the interaction between social isolation and race-ethnicity was associated with incident dementia risk.
resultsAverage longitudinal frequency of social isolation was higher among older Black (27.6%), Hispanic (26.6%) and Asian (21.0%) respondents than non-Hispanic White (19.1%) adults during the 11-year period (
conclusionsOlder adults from racial-ethnic minoritized populations experienced a higher longitudinal frequency of social isolation. However, race-ethnicity did not moderate the positive association observed between social isolation and dementia. Future research is needed to investigate the underlying mechanisms contributing to racial-ethnic disparities in social isolation and to develop targeted interventions to mitigate the associated dementia risk.
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