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 journalArticle

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 languageEnglish
Pages (from-to)201-214
Number of pages14
JournalJournal of Aging and Physical Activity
Volume16
Issue number2
Publication statusPublished - 1 Jan 2008

Keywords

  • cadence
  • older adults
  • physical activity

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