Evaluation of the validity and reliability of the 10-meter walk test using a smartphone application among Japanese older adults

FRONTIERS IN SPORTS AND ACTIVE LIVING(2022)

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摘要
ObjectiveMaintaining or improving regular walking speed can help extend healthy life expectancy and prevent frailty. The evaluation of walking speed can help individuals meet their daily exercise goals; therefore, it may be beneficial as a public health policy for residents to measure and evaluate their walking speed easily. This study aimed to verify the validity and reliability of a smartphone application for the 10-m walk test, measured in the general population. MethodsThe study participants were men (n = 20) and women (n = 20) aged 65-85 years. The 10-m walk tests were performed at the usual walking speed, using the stopwatch function of a newly developed smartphone application. A total of three 10-m walk tests were performed simultaneously with the study participants and professional fitness instructors to evaluate the criterion-related validity and the test-retest reliability. ResultsA strong positive correlation was found in the criterion-related validity by the study participants and professional staff for the average of the three trials {r = 0.961 [95% confidence interval (CI) = 0.927, 0.979]}. The results revealed good reliability, with an intraclass correlation coefficient of 0.712 (95% CI = 0.571, 0.823). ConclusionThe smartphone application walking speed measurement method can be widely used by the general public and is useful for health promotion.
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关键词
walking speed, smartphone application, mobile health (M-Health), public health, health promotion
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