Analysing free-living physical activity of older adults in different environments using body-worn activity monitors

P. Margaret Grant, Malcolm H. Granat, Morag K. Thow, William M. Maclaren

Research output: Contribution to journalArticle

Abstract

This study measured objectively the postural physical activity of 4 groups of older adults (=65 yr). The participants (N = 70) comprised 3 patient groups—2 from rehabilitation wards (city n = 20, 81.8 ± 6.7 yr; rural n = 10, 79.4 ± 4.7 yr) and the third from a city day hospital (n = 20, 74.7 ± 7.9 yr)—and a healthy group to provide context (n = 20, 73.7 ± 5.5 yr). The participants wore an activity monitor (activPAL) for a week. A restricted maximum-likelihood-estimation analysis of hourly upright time (standing and walking) revealed significant differences between day, hour, and location and the interaction between location and hour (p <.001).

Original languageEnglish
Pages (from-to)171-184
Number of pages14
JournalJournal of Aging and Physical Activity
Volume18
Issue number2
Publication statusPublished - 1 Jan 2010

Keywords

  • activity monitors
  • physical activity

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