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A Short-Term Physical Activity Randomized Trial in the Lower Mississippi Delta

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  • Peter T Katzmarzyk
  • Catherine M Champagne
  • Catrine Tudor-Locke
  • Stephanie T Broyles
  • David Harsha
  • Betty M Kennedy
  • William D Johnson

Abstract

Background: The purpose of this study was to determine if a short-term pedometer-based intervention results in immediate increases in time spent in moderate-to-vigorous physical activity (MVPA) compared to a minimal educational intervention. Methods: A sample of 43 overweight adults 35 to 64 years of age participated in a one week pedometer-based feasibility trial monitored by accelerometry. Participants were randomized into a one-week education-only group or a group that also wore a pedometer. Accelerometer-measured MVPA was measured over 7 days at baseline and again for 7 days immediately post-intervention. Results: Minutes of MVPA increased significantly in the overall sample (p = 0.02); however, the effect of adding the pedometer to the education program was not significant (p = 0.89). Mean (±SE) MVPA increased from 12.7±2.4 min/day to 16.2±3.6 min/day in the education-only group and from 13.2±3.3 min/day to 16.3±3.9 min/day in the education+pedometer group. The correlation between change in steps/day and change in MVPA was 0.69 (p

Suggested Citation

  • Peter T Katzmarzyk & Catherine M Champagne & Catrine Tudor-Locke & Stephanie T Broyles & David Harsha & Betty M Kennedy & William D Johnson, 2011. "A Short-Term Physical Activity Randomized Trial in the Lower Mississippi Delta," PLOS ONE, Public Library of Science, vol. 6(10), pages 1-8, October.
    • Handle: RePEc:plo:pone00:0026667
    DOI: 10.1371/journal.pone.0026667
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