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Title: Heterogeneity in 14-Year Dementia Incidence Between Asian American Subgroups
Citation Type: Journal Article
Publication Year: 2017
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Abstract: Background Asian-Americans are a rapidly growing and diverse population. Prior research on dementia among Asian-Americans focused on Japanese-Americans or Asian-Americans overall, although marked differences in cardiometabolic conditions between subgroups have been documented. Methods We compared dementia incidence among four Asian-American subgroups (n=8,384 Chinese; n=4,478 Japanese; n=6,210 Filipino; n=197 South Asian) and whites (n=206,490) who were Kaiser Permanente Northern California members aged ≥64 years with no dementia diagnoses as of 1/1/2000. Dementia diagnoses were collected from medical records 1/1/2000–12/31/2013. Baseline medical utilization and comorbidities (diabetes, depression, hypertension, stroke, cardiovascular disease) were abstracted from medical records 1/1/1996–12/31/1999. We calculated age-standardized dementia incidence rates and Cox models adjusted for age, sex, medical utilization, and comorbidities. Results Mean baseline age was 71.7 years; mean follow-up was 9.6 years. Age-adjusted dementia incidence rates were higher among whites than “All Asian-Americans” or any subgroup. Compared with Chinese (13.7/1,000 person-years), dementia incidence was slightly higher among Japanese (14.8/1,000 person-years; covariate-adjusted-hazard ratio (adjusted-HR)=1.08; 95% CI=0.99–1.18) and Filipinos (17.3/1,000 person-years; adjusted-HR=1.20; 95% CI=1.11–1.31), and lower among South Asians (12.1/1,000 person-years; adjusted-HR=0.81; 95% CI=0.53–1.25). Conclusions Future studies are needed to understand how immigration history, social, environmental, and genetic factors contribute to dementia risk in the growing and diverse Asian-American population.
Url: https://insights.ovid.com/aldad/201707000/00002093-201707000-00001
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Authors: Mayeda, Elizabeth; Glymour, M; Quesenberry, Charles; Whitmer, Rachel
Periodical (Full): Alzheimer Disease & Associated Disorders
Issue: 3
Volume: 31
Pages: 181–186
Data Collections: IPUMS CPS
Topics: Other, Race and Ethnicity
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