Reproducibility of the 6-Minute-Walk Test in Older Women

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Claire Peel
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Diane Ballard
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The primary purpose of this study was to determine the reproducibility of the 6-min-walk test (6MWT) in older women. A secondary purpose was to document heart rate (HR), blood pressure (BP), and ratings of perceived exertion (RPE) in response to the 6MWT. Twenty-eight women with an average age of 80.0 years (±5.2) participated. They performed 2 trials of the 6MWT on 3 separate days, for a total of 6 trials. Heart rate, BP, RPE, and the total distance walked were recorded for each trial. The results indicated a significant increase from Trial 1 to Trial 2, with no differences between Trials 2–6, F(5, 131) = 7.02, p = .000. HR and BP were consistent across the 6 trials, and RPE was higher for the second trial on the second day of testing, F(5, 131) = 2.72, p = .023. The intraclass correlation coefficient for distance walked was .94. After the initial trial, performance on the 6MWT appears to be stable in older women.

Peel is with the University of Alabama at Birmingham, Division of Physical Therapy, Birmingham, AL 35294-2030. Ballard is with Cooperative Educational Services in Albuquerque, NM.

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