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Performance-based measures of physical performance were examined for an older cohort of relatively high-functioning men and women. Relationships between baseline physical performance and sociodemographic and health status characteristics were also examined. Three-year pattern changes in performance are described, and sociodemographic and health status predictors of change are investigated

A cohort of relatively high-functioning men and women, aged 70–79, was identified in 1988 by subsampling from three community-based studies on the basis of physical and cognitive function. Baseline in-home assessments included tests of physical performance and measurement of sociodemographic characteristics and health status. A summary measure of physical performance was developed from tests of balance, gait, lower body strength and …