Why Is Dementia Diagnosed Later for Racial and Ethnic Minorities? The Role of Individual and Neighborhood Factors

Yuting Qian, Fan Li and Xi Chen

No 1749, GLO Discussion Paper Series from Global Labor Organization (GLO)

Abstract: Racial and ethnic minorities with dementia are substantially less likely to receive timely diagnoses, yet the factors underlying these gaps remain poorly quantified. Using nationally representative Health and Retirement Study (HRS) data linked to Medicare claims (1998-2021) and National Neighborhood Data Archive, we examine racial and ethnic disparities in timely dementia diagnosis among U.S. older adults and decompose these gaps using causal mediation analysis. Timely diagnosis is defined as a clinical dementia diagnosis recorded in Medicare claims within three years before or one year after the HRS survey wave at which dementia was first identified. After controlling for demographics and health conditions, non-Hispanic Black and Hispanic individuals are significantly less likely than non-Hispanic White individuals to receive a timely diagnosis. Educational attainment is the dominant mediator, explaining 48% of the Black-White disparity and 62% of the Hispanic-White disparity, followed by neighborhood affluence (27% and 18%, respectively) and the density of non-physician health practitioner offices (16% and 15%) and physician offices (10% and 12%). Dementia specialist evaluation accounts for a further 7% and 6%, respectively. These findings identify educational attainment and neighborhood-level healthcare infrastructure as the primary structural determinants of racial and ethnic gaps in dementia detection, pointing to targeted policy interventions to advance diagnostic equity.

Keywords: timely dementia diagnosis; disparities; education; neighborhood socioeconomic factors; health care access (search for similar items in EconPapers)
JEL-codes: C35 I11 I14 I18 J14 J15 R23 (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:glodps:1749

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