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Physical Activity and Function in Assisted Living Residents.

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  • 11 University of Maryland, Baltimore, MD, USA.

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This study validated the MotionWatch 8 for measuring physical activity in assisted living residents. Results confirm its reliability and show older adults engage primarily in sedentary behavior.

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Area of Science:

  • Gerontology
  • Biomedical Engineering
  • Physical Therapy

Background:

  • Assisted living facilities house older adults with varying functional levels.
  • Accurate measurement of physical activity is crucial for assessing health and independence in this population.
  • Wearable sensors offer a promising method for objective physical activity monitoring.

Purpose of the Study:

  • To evaluate the feasibility, reliability, and validity of the MotionWatch 8 device.
  • To assess physical activity levels and sedentary behavior in older adults residing in assisted living settings.
  • To determine the association between physical activity, functional status, and fall history.

Main Methods:

  • 249 residents from 26 assisted living facilities participated.
  • Data collected included demographics, comorbidities, Barthel Index for function, and MotionWatch 8 for physical activity.
  • MotionWatch 8 feasibility, reliability, and validity were assessed.

Main Results:

  • 86% of participants wore the MotionWatch 8, indicating good feasibility.
  • No significant differences in physical activity were found over 3 days, supporting reliability.
  • MotionWatch 8 data showed significant association with Activities of Daily Living (ADL) function.

Conclusions:

  • The MotionWatch 8 is a feasible, reliable, and valid tool for assessing physical activity in assisted living residents.
  • Older adults in assisted living settings predominantly engage in sedentary activities.
  • Physical activity levels did not differ significantly between fallers and non-fallers in this cohort.