{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T04:09:10Z","timestamp":1791346150355,"version":"4.3.1"},"reference-count":31,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2009,5,1]],"date-time":"2009-05-01T00:00:00Z","timestamp":1241136000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000049","name":"National Institute on Aging","doi-asserted-by":"publisher","award":["RO1 AG 009956-17"],"award-info":[{"award-number":["RO1 AG 009956-17"]}],"id":[{"id":"10.13039\/100000049","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["alz-journals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Alzheimer's &amp;amp; Dementia"],"published-print":{"date-parts":[[2009,5]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>This study compares age\u2010specific and overall prevalence rates for dementia and Alzheimer's disease (AD) in two nonoverlapping, population\u2010based cohorts of elderly African Americans in Indianapolis in 2001 and 1992.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We used a two\u2010stage design. The first stage involves the Community Screening Interview for Dementia (CSI\u2010D). The CSI\u2010D scores are grouped into good, intermediate, and poor performance before selection for clinical assessment. Diagnoses were performed using standard criteria in a consensus diagnosis conference; clinicians were blind to performance groups. In 1992, interviewers visited randomly sampled addresses to enroll self\u2010identified African Americans aged \u226565 years. Of 2582 eligible, 2212 enrolled (9.6% refused, and 4.7% were too sick). In 2001, Medicare rolls were used for African Americans aged &gt;70 years. Of 4260 eligible, 1892 (44%) enrolled, 1999 (47%) refused, and the remainder did not participate for other reasons.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The overall age\u2010adjusted prevalence rate for dementia at age \u226570 years in 2001 was 7.45% (95 confidence interval [CI], 4.27\u201310.64), and in the 1992 cohort, this prevalence rate was 6.75% (95% CI, 5.77\u20137.74). The overall age\u2010adjusted prevalence rate at age \u226570 years for AD in the 2001 cohort was 6.77% (95% CI, 3.65\u20139.90), and for the 1992 cohort, it was 5.47% (95% CI, 4.51\u20136.42). Rates for dementia and AD were not significantly different in the two cohorts (dementia, <jats:italic>P<\/jats:italic> = .3534; AD, <jats:italic>P<\/jats:italic> = .2649).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>We found no differences in the prevalence rates of dementia and AD between 1992 and 2001, despite significant differences in medical history and medical treatment within these population\u2010based cohorts of African American elderly.<\/jats:p><\/jats:sec>","DOI":"10.1016\/j.jalz.2009.01.026","type":"journal-article","created":{"date-parts":[[2009,5,8]],"date-time":"2009-05-08T00:16:01Z","timestamp":1241741761000},"page":"227-233","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":74,"title":["Prevalence rates for dementia and Alzheimer's disease in African Americans: 1992 versus 2001"],"prefix":"10.1002","volume":"5","author":[{"given":"Kathleen S.","family":"Hall","sequence":"first","affiliation":[{"name":"Department of Psychiatry Indiana University School of Medicine Indianapolis IN USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sujuan","family":"Gao","sequence":"additional","affiliation":[{"name":"Division of Biostatistics Indiana University School of Medicine Indianapolis IN USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Olusegun","family":"Baiyewu","sequence":"additional","affiliation":[{"name":"Department of Psychiatry College of Medicine University of Ibadan Ibadan Nigeria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kathleen A.","family":"Lane","sequence":"additional","affiliation":[{"name":"Division of Biostatistics Indiana University School of Medicine Indianapolis IN USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Oye","family":"Gureje","sequence":"additional","affiliation":[{"name":"Department of Psychiatry College of Medicine University of Ibadan Ibadan Nigeria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianzhao","family":"Shen","sequence":"additional","affiliation":[{"name":"Division of Biostatistics Indiana University School of Medicine Indianapolis IN USA"},{"name":"Pharmaceutical Product Development, Inc. 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