Physical activity in hospitalized persons with Dementia: Feasibility and validity of the MotionWatch 8

Ashley Kuzmik, Barbara Resnick, Pamela Cacchione, Rachel Arendacs, Marie Boltz

Research output: Contribution to journalArticlepeer-review

Abstract

Persons with dementia are at high risk for hospital-acquired disability, associated with low physical activity during hospitalizations. To determine the effectiveness of efforts to increase physical activity, a valid and reliable measurement approach is required. Data from an ongoing cluster randomized clinical trial examined the feasibility and validity of the MotionWatch 8 (MW8) triaxial actigraphy device. The sample included 321 participants of which 259 (81%) were willing to wear the MW8 for 24 hr. Regression analysis revealed that time in low activity, β = 0.17, t(255) = 2.9, p =.004, and time in moderate activity, β = 0.14, t(255) = 2.4, p =.017, measured by the MW8, were associated with participants' physical function. Engagement in moderate physical activity was associated with return to baseline function at discharge (Wald χ2 = 4.10, df = 1, p =.043). The study provides preliminary support for the feasibility and validity of the MW8 in hospitalized persons with dementia.

Original languageEnglish (US)
Pages (from-to)852-857
Number of pages6
JournalJournal of Aging and Physical Activity
Volume29
Issue number5
DOIs
StatePublished - Oct 2021

All Science Journal Classification (ASJC) codes

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

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