Estimated prevalence of underdiagnosed dementia in a multiethnic community-based study

The Journal of Prevention of Alzheimer s Disease 2026 Open access

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Authors: Lydia Trudel, Joseph Therriault, Arthur C. Macedo, Meredith N. Braskie, Karin L Meeker, Arthur W. Toga, Serge Gauthier, Paolo Vitali, Sid E. O’Bryant, Pedro Rosa-Neto
DOI: 10.1016/j.tjpad.2026.100510
Cited by: 1
References: 18

Abstract

Dementia frequently goes undetected in community settings, particularly among socially disadvantaged populations. Here, we estimated the prevalence of underdiagnosed dementia across diverse sociodemographic determinants of health in the Health and Aging Brain Study-Health Disparities (HABS-HD), a community-based cohort of adults recruited through community outreach in Fort Worth, Texas. We estimated age-specific probabilities of underdiagnosis using Poisson regression models with a log link, including age and sex as covariates. Robust (sandwich) variance estimators were used to obtain standard errors and 95% confidence intervals (CI). Group differences or trends for continuous measures were assessed using robust variance estimates. The prevalence of underdiagnosed dementia was higher among individuals without physician access (98.1% vs. 78.1%, p

Fields of Study & Subjects

Dementia and Cognitive Impairment Research Health disparities and outcomes Geriatric Care and Nursing Homes

Publication details

Journal / source
The Journal of Prevention of Alzheimer s Disease
Publisher
Elsevier BV
Volume
13
Issue
4
Pages
100510–100510
Publication date
20 February 2026
Language
EN