Identification of dementia: agreement among national survey data, medicare claims, and death certificates.(Author abstract)(Report) From: Health Services Research | Date: February 1, 2008| Author: | COPYRIGHT 2008 Health Research and Educational Trust. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

Objective. To estimate the proportion of seniors with dementia from three independent data sources and their agreement.

Data Sources. The longitudinal Asset and Health Dynamics among the Oldest Old (AHEAD) study (n = 7,974), Medicare claims, and death certificate data.

Study Design. Estimates of the proportion of individuals with dementia from: (1) self-or proxy-reported cognitive status measures from surveys, (2) Medicare claims, and (3) death certificates. Agreement using Cohen's to; multivariate logistic regression.

Principal Findings. The proportion varied substantially among the ...

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