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A randomized trial to increase physical activity among native elders.

Craig N Sawchuk1, Steve Charles, Yang Wen

  • 1Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98104, USA. sawchuk@u.washington.edu

Preventive Medicine
|May 6, 2008
PubMed
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Activity monitoring, with or without a pedometer, effectively increased physical activity and walking frequency in American Indian elders. Both methods showed similar results, indicating brief, inexpensive interventions can promote exercise in at-risk populations.

Area of Science:

  • Gerontology
  • Public Health
  • Exercise Science

Background:

  • Physical inactivity is prevalent in older adults and American Indian populations.
  • Effective strategies are needed to promote physical activity in these demographics.

Purpose of the Study:

  • To compare activity monitoring versus activity monitoring with a pedometer for increasing physical activity and walking in American Indian elders.
  • To evaluate the impact of these interventions on self-reported physical activity, well-being, and the 6-minute walk test.

Main Methods:

  • A two-arm randomized trial involving 125 American Indians aged 50-74 years.
  • Intervention groups: activity monitoring (N=63) and activity monitoring with a pedometer (N=62) over six weeks.
  • Outcome measures included self-reported physical activity, well-being, and the 6-minute walk test.

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Main Results:

  • No significant group differences were observed in self-reported physical activity, well-being, or the 6-minute walk test.
  • All participants demonstrated significant increases in leisure walking frequency, overall exercise frequency, moderate-intensity exercise, and weekly caloric expenditure.
  • Pedometer use did not provide additional benefits over self-monitoring for the measured physical activity outcomes.

Conclusions:

  • Activity monitoring alone is as effective as using a pedometer for enhancing physical activity in this population.
  • Brief, cost-effective interventions in primary care can promote physical activity among at-risk older American Indians.
  • Culturally tailored exercise prescription may further optimize physical activity outcomes for elder American Indians.