Activity-monitor accuracy in measuring step number and cadence in community-dwelling older adults

P. Margaret Grant; Philippa M. Dall; Malcolm H. Granat; Sarah L. Mitchell

Activity-monitor accuracy in measuring step number and cadence in community-dwelling older adults

P. Margaret Grant, Philippa M. Dall, Malcolm H. Granat, Sarah L. Mitchell

Research output: Contribution to journal › Article

Abstract

The primary purpose of this study was to investigate the accuracy of the activPAL physical activity monitor in measuring step number and cadence in older adults. Two pedometers (New-Lifestyles Digi-Walker SW-200 and New-Lifestyles NL2000) used in clinical practice to count steps were simultaneously evaluated. Observation was the criterion measure. Twenty-one participants (65–87 yr old) recruited from community-based exercise classes walked on a treadmill at 5 speeds (0.67, 0.90, 1.12, 1.33, and 1.56 m/s) and outdoors at 3 self-selected speeds (slow, normal, and fast). The absolute percentage error of the activPAL was

Original language	English
Pages (from-to)	201-214
Number of pages	14
Journal	Journal of Aging and Physical Activity
Volume	16
Issue number	2
Publication status	Published - 1 Jan 2008

Keywords

cadence
older adults
physical activity

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Grant, P. M., Dall, P. M., Granat, M. H., & Mitchell, S. L. (2008). Activity-monitor accuracy in measuring step number and cadence in community-dwelling older adults. Journal of Aging and Physical Activity, 16(2), 201-214. http://researchonline.gcu.ac.uk/health/109

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AU - Dall, Philippa M.

AU - Granat, Malcolm H.

AU - Mitchell, Sarah L.

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AB - The primary purpose of this study was to investigate the accuracy of the activPAL physical activity monitor in measuring step number and cadence in older adults. Two pedometers (New-Lifestyles Digi-Walker SW-200 and New-Lifestyles NL2000) used in clinical practice to count steps were simultaneously evaluated. Observation was the criterion measure. Twenty-one participants (65–87 yr old) recruited from community-based exercise classes walked on a treadmill at 5 speeds (0.67, 0.90, 1.12, 1.33, and 1.56 m/s) and outdoors at 3 self-selected speeds (slow, normal, and fast). The absolute percentage error of the activPAL was

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JO - Journal of Aging and Physical Activity

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