Y Ostchega1, T B Harris, R Hirsch, V L Parsons, R Kington, M Katzoff. 1. Division of Health Examination Statistics, National Center for Health Statistics, Centers for Disease Control and Prevention, Hyattsville, Maryland 20782, USA.
Abstract
OBJECTIVE: This report provides reliability and prevalence estimates by sex, age, and race/ethnicity of an observed physical performance examination (PPE) assessing mobility and balance. SETTING: The Third National Health and Nutrition Examination Survey (NHANES III) 1988-1994. DESIGN: A cross-sectional nationally representative survey. PARTICIPANTS: All persons aged 60 and older (n = 5,403) who performed the PPE either in the mobile examination center (MEC) or in the home during NHANES III (conducted 1988-1994). MEASUREMENTS: The PPE included timed chair stand, full tandem stand, and timed 8-foot walk. RESULTS: Timed chair stand and 8-foot timed walk were reliable measurements (Intraclass Correlations > 0.5). Women were significantly slower (P < .001) than men for both timed chair stands and timed walk. Non-Hispanic white men and women did the maneuvers in significantly less time than non-Hispanic black men and women and Mexican Americans women (P < .001). CONCLUSIONS: Lower extremity functions measured by timed chair stand and walk are reliable. Women at every age group were more physically limited than men.
OBJECTIVE: This report provides reliability and prevalence estimates by sex, age, and race/ethnicity of an observed physical performance examination (PPE) assessing mobility and balance. SETTING: The Third National Health and Nutrition Examination Survey (NHANES III) 1988-1994. DESIGN: A cross-sectional nationally representative survey. PARTICIPANTS: All persons aged 60 and older (n = 5,403) who performed the PPE either in the mobile examination center (MEC) or in the home during NHANES III (conducted 1988-1994). MEASUREMENTS: The PPE included timed chair stand, full tandem stand, and timed 8-foot walk. RESULTS: Timed chair stand and 8-foot timed walk were reliable measurements (Intraclass Correlations > 0.5). Women were significantly slower (P < .001) than men for both timed chair stands and timed walk. Non-Hispanic white men and women did the maneuvers in significantly less time than non-Hispanic black men and women and Mexican Americans women (P < .001). CONCLUSIONS: Lower extremity functions measured by timed chair stand and walk are reliable. Women at every age group were more physically limited than men.
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