A short-term physical activity randomized trial in the Lower Mississippi Delta |
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Authors: | Katzmarzyk Peter T Champagne Catherine M Tudor-Locke Catrine Broyles Stephanie T Harsha David Kennedy Betty M Johnson William D |
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Affiliation: | Population Science, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America. Peter.Katzmarzyk@pbrc.edu |
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Abstract: | BackgroundThe 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.MethodsA 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.ResultsMinutes 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<0.0001).ConclusionsThe results of this study suggest that the addition of a pedometer to a short-term education program does not produce added benefits with respect to increasing physical activity in the Lower Mississippi Delta.Trial RegistrationClinicalTrials.gov {"type":"clinical-trial","attrs":{"text":"NCT01264757","term_id":"NCT01264757"}}NCT01264757 |
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