Richard W Bohannon1, Leslie I Wolfson2, William B White3. 1. a College of Pharmacy and Health Sciences, Campbell University , Lillington , NC , USA. 2. b Department of Neurology , University of Connecticut School of Medicine , Farmington , CT , USA. 3. c Cardiology Center, University of Connecticut School of Medicine , Farmington , CT , USA.
Abstract
PURPOSE: To describe the measurement, performance, and dimensionality of five timed mobility activities completed by older adults. MATERIALS AND METHODS: Cross-sectional observational study using correlational and factor analysis to examine the dimensionality of five timed mobility activities performed by 189 older adults in an outpatient setting. RESULTS: The times to complete supine-to-sit, five repetition sit-to-stand, 8 m comfortable gait, four step ascent, and four step descent were correlated significantly with one another (r = 0.294-0.827, p < 0.001). The times were also internally consistent (α = 0.71) and loaded highly on a single factor (0.587-0.888). CONCLUSION: The timed measurements of this study were easily obtained. They can be viewed as unidimensional and representative of a single construct of the international classification of functioning, disability, and health -timed mobility. Implications for rehabilitation For patients who are independent in mobility, timing offers a means of differentiating the performance of individual patients. As the times to complete five mobility activities are interrelated, mobility is supported as a rehabilitation construct and patients who are faster at one activity should be expected to be faster at another.
PURPOSE: To describe the measurement, performance, and dimensionality of five timed mobility activities completed by older adults. MATERIALS AND METHODS: Cross-sectional observational study using correlational and factor analysis to examine the dimensionality of five timed mobility activities performed by 189 older adults in an outpatient setting. RESULTS: The times to complete supine-to-sit, five repetition sit-to-stand, 8 m comfortable gait, four step ascent, and four step descent were correlated significantly with one another (r = 0.294-0.827, p < 0.001). The times were also internally consistent (α = 0.71) and loaded highly on a single factor (0.587-0.888). CONCLUSION: The timed measurements of this study were easily obtained. They can be viewed as unidimensional and representative of a single construct of the international classification of functioning, disability, and health -timed mobility. Implications for rehabilitation For patients who are independent in mobility, timing offers a means of differentiating the performance of individual patients. As the times to complete five mobility activities are interrelated, mobility is supported as a rehabilitation construct and patients who are faster at one activity should be expected to be faster at another.
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