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Patterns of sedentary behavior and physical function in older adults
Keith P Gennuso1, Keith M Thraen-Borowski2, Ronald E Gangnon3,4
1University of Wisconsin Population Health Institute, 575C Warf Office Building, 610 Walnut ST, Madison, 53726, USA. gennuso@wisc.edu.
Aging Clinical and Experimental Research
|May 30, 2015
Summary
Sedentary behavior patterns, not just total time, impact older adults' physical function, especially in males. Identifying sedentary activities like TV viewing is key for future interventions.
Area of Science:
- Gerontology
- Kinesiology
- Public Health
Background:
- Sedentary behavior (SB) is prevalent in older adults.
- Understanding SB's impact on physical function is crucial for healthy aging.
Purpose of the Study:
- Examine the relationship between objectively measured SB variables and physical function in older adults.
- Evaluate the measurement properties of a sedentary behavior questionnaire.
- Describe the specific domains of sedentary time in older adults.
Main Methods:
- Forty-four older adults (mean age 70 years) participated.
- Sedentary behavior was measured using activPAL monitors and questionnaires for one week.
- Physical function was assessed using performance-based tests.
Main Results:
- The pattern of sedentary behavior was more strongly associated with physical function than total time.
- Increasing sedentary time and fewer breaks were linked to worse physical function in males.
- The SB questionnaire showed good reliability but poor validity against objective measures.
Conclusions:
- Sedentary behavior patterns are associated with physical function in older adults.
- Television viewing, computer use, and reading constitute the majority of sedentary time.
- Findings inform interventions to reduce sedentary time and enhance physical function.
Keywords:
Activities of daily livingAgingFunctionally impaired elderlyPhysical activitySedentary lifestyleMore Related Videos
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