Reliability of scores from physical activity monitors in adults with multiple sclerosis

Robert W. Motl, Weimo Zhu, Youngsik Park, Edward McAuley, Jennifer A. Scott, Erin M. Snook

Research output: Contribution to journalArticlepeer-review

Abstract

We examined the reliability of scores from physical activity monitors in a sample of 193 individuals with multiple sclerosis (MS) who wore a pedometer and an accelerometer for a 7-day period. There were no significant differences among days for the pedometer (p = .12) or the accelerometer (p = .15) indicating that week and weekend days can be analyzed in a single intra-class correlation (ICC) analytic model. The 7 days of monitoring yielded ICC estimates of .93 for both the pedometer and accelerometer, and a minimum of 3 days yielded a reliability of .80 for both the pedometer and accelerometer. Results indicated that physical activity monitor scores are reliable measures of physical activity for individuals with MS.

Original languageEnglish (US)
Pages (from-to)245-253
Number of pages9
JournalAdapted Physical Activity Quarterly
Volume24
Issue number3
DOIs
StatePublished - Jul 2007

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation

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