Relative Rates of Dementia by Multiple Case Definitions, over Two Prevalence Periods, in Three Cultural Groups

Gurland, Barry J.; Wilder, David; Cross, Peter; Lantigua, Rafael Antonio; Teresi, Jeanne A.; Barret, Virginia; Stern, Yaakov; Mayeux, Richard Paul

The North Manhattan Aging Project registry, using both Reporting and Survey Components, identifies dementia cases among Latino, African-American, and non-Latino white sociocultural groups (9,349 persons 65 years of age or older) in contiguous census tracts. During a 2-year prevalence period of the reporting component, 1,592 persons were reported to the Registry and screened with five widely used brief cognitive measures; 844 were evaluated in a “clinical core,” and 452 met research criteria for dementia, covering all subtypes, according to DSM-III-R criteria. Thirteen different case definitions for dementia were applied to the sociocultural groups at three levels of educational achievement, examining for associations with rates of dementia cases and controlling for age. The following findings were robust across case definitions: sociocultural membership was not associated, but lower education was associated, with increased rates of recorded dementia; however, the patterns of the association with education varied across sociocultural groups.


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American Journal of Geriatric Psychiatry

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February 24, 2018