Feasibility, reliability, and validity of the motionwatch 8 to evaluate physical activity among older adults with and without cognitive impairment in assisted living settings

Barbara Resnick, Marie Boltz, Elizabeth Galik, Steven Fix, Shijun Zhu

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

This study tested the feasibility, reliability, and validity of the MotionWatch 8 among assisted living residents with and without cognitive impairment. Data from the Dissemination and Implementation of Function Focused Care in Assisted Living Using the Evidence Integration Triangle study were used. The sample included 781 individuals from 85 facilities with a mean age of 89.48 (SD = 7.43) years. The majority were female (71%), White (97%), and overall (44%) had cognitive impairment. A total of 70% were willing to wear the MotionWatch 8. Reliability was supported as there was no difference in time spent in activity across three consecutive wear days. Validity was based on hypothesis testing, and function was associated with counts of activity at baseline (p = .001) and 4 months (p = .001). Those with cognitive impairment engaged in less physical activity (p = .04). The MotionWatch 8 is a useful option for measuring physical activity in older adults with and without cognitive impairment.

Original languageEnglish (US)
Pages (from-to)391-399
Number of pages9
JournalJournal of Aging and Physical Activity
Volume29
Issue number3
DOIs
StatePublished - 2021

All Science Journal Classification (ASJC) codes

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation
  • Gerontology
  • Geriatrics and Gerontology

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