{"doi":"10.1002/dad2.70178","title":"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: = 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 based on level and type of AD stigma domain and race group. DISCUSSION: Use of brain scans in evaluations can heighten diagnosis confidence in all race groups. Yet, no group had 100% confidence in an AD diagnosis with any evaluation. Recommendations are discussed. Highlights: Confidence in an Alzheimer's disease (AD) diagnosis varies across racial groups.Within racial groups, AD diagnosis confidence differs with diagnostics.Even with cutting-edge biomarker testing, no racial group had 100% confidence in an AD diagnosis.Patient-centered care and systemic changes are needed to widen distribution of diagnostic technologies and improve access to care.","journal":"Alzheimer s & Dementia Diagnosis Assessment & Disease Monitoring","year":2025,"id":547497,"datarank":0.10397207708399181,"base_score":0.6931471805599453,"endowment":0.6931471805599453,"self_citation_contribution":0.10397207708399181,"citation_network_contribution":0.0,"self_endowment_contribution":0.10397207708399181,"citer_contribution":0.0,"corpus_percentile":22.178386323199504,"corpus_rank":9377,"citation_count":1,"citer_count":1,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":true,"is_dataset_confidence":0.6251,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2025-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":810491,"name":"Brian N. Lee","orcid":"0000-0002-6090-4306","position":1,"is_corresponding":false},{"id":1389902,"name":"Carolyn Kuz","orcid":"0009-0004-3118-5201","position":2,"is_corresponding":false},{"id":1068124,"name":"Morgann Adams","orcid":null,"position":3,"is_corresponding":false},{"id":413348,"name":"Kristin Harkins","orcid":"0000-0001-5360-1043","position":4,"is_corresponding":false},{"id":227428,"name":"Sharon X. Xie","orcid":"0000-0002-7886-4103","position":5,"is_corresponding":false},{"id":1440364,"name":"Lisa M. Walke","orcid":null,"position":6,"is_corresponding":false},{"id":29156,"name":"Pamela Sankar","orcid":"0000-0002-7780-9655","position":7,"is_corresponding":false},{"id":1439874,"name":"Roy Hamilton","orcid":"0000-0002-9958-1946","position":8,"is_corresponding":false},{"id":843599,"name":"Shana D. Stites","orcid":"0000-0003-3994-4343","position":0,"is_corresponding":true}],"reference_count":44,"raw_metadata":null,"created_at":"2026-07-19T02:53:41.314800Z","pmid":"41069798","pmcid":"PMC12504057","fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}