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AlzRisk Cohort Detail

Cohort: Cache County Study
Risk Factors:

Introduction to the Cohort
In 1995, investigators used data from the Healthcare Financing Administration to identify, invite and enroll Medicare recipients living in Cache County, Utah, USA into the Cache County Study, a longitudinal study AD, dementia and risk factors for these conditions. Of the 5,092 enrollees, 4,559 were free of dementia at baseline assessment. Follow-up evaluations have occurred approximately every three years since baseline. Cohort members were aged 65 years or older in January 1995; 57% were female. The population of Cache County is characterized by its high prevalence of Mormons and low prevalence of both smoking and alcohol use.

Ethnicity Breakdown
Nearly all members (99%) of the Cache County Study cohort are white.

Diagnosis & Evaluation Methods
For a detailed description, see Miech RA et al. 2002.

Miech RA, Breitner JC, Zandi PP, Khachaturian AS, Anthony JC, Mayer L. Incidence of AD may decline in the early 90s for men, later for women: The Cache County study. Neurology. 2002 Jan 22;58(2):209-18.

Steffens DC, Skoog I, Norton MC, Hart AD, Tschanz JT, Plassman BL, Wyse BW, Welsh-Bohmer KA, Breitner JC. Prevalence of depression and its treatment in an elderly population: the Cache County study. Arch Gen Psychiatry. 2000 Jun;57(6):601-7.