An online vignette study of diagnostic testing: Racial and ethnic differences in Alzheimer's disease diagnosis confidence and stigma.

ABSTRACT:

Introduction

Understanding how biomarker testing affects Alzheimer's disease (AD) diagnosis confidence and AD stigma among race and ethnicity groups is essential for supporting early diagnosis and treatment.

Methods

Adults (N = 3548) rated confidence in an AD diagnosis based on four diagnostic evaluations and answered questions about AD stigma based on a clinical vignette. The sample reflects response and completion rates of 53% and 91.3%, respectively. Bivariate and multivariable regression analyses were conducted.

Results

Black participants showed the smallest increase (11.86 points) in diagnosis confidence of all race groups when a brain scan was included in the diagnostic evaluation. AD diagnosis confidence changed across diagnostic evaluation categories ba

SUBMITTER: Stites SD 

PROVIDER: S-EPMC12504057 | biostudies-literature | 2025 Oct-Dec

REPOSITORIES: biostudies-literature