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Effect of a moderate-intensity demonstration walk on accuracy of physical activity self-report

Larsen, Britta A. et Carr, Lucas J. et Dunsiger, Shira et Marcus, Bess H. (2017). Effect of a moderate-intensity demonstration walk on accuracy of physical activity self-report. Journal of Exercise Science & Fitness, 15 (1). pp. 1-7. ISSN 1728-869X DOI: 10.1016/j.jesf.2016.10.002.

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AbstractBackground/Objective Providing a demonstration of a 10-minute bout of moderate-to-vigorous intensity physical activity (MVPA) immediately prior to subjective reporting of MVPA could influence self-reported activity by calibrating both duration and intensity. We assessed the effect of a demonstration of MVPA on subsequent MVPA recall, and explored whether this improved agreement with objective measures of MVPA. Methods A total of 846 individuals participated in four different physical activity interventions; two of which included a 10-minute moderate-intensity demonstration walk on a treadmill at baseline and 6-month visits immediately prior to reporting MVPA. Participants from three studies also wore accelerometers during the week overlapping with self-reported MVPA. Results Overall, those completing the demonstration walk reported significantly fewer minutes of MVPA per week at baseline (b = −11.69, standard error = 2.53, p < 0.01). The effect of the demonstration walk at 6 months was not significant (p = 0.06). Correlations with accelerometers at baseline were higher in the two studies with the demonstration walk (ρ = 0.28, 0.26) than the study without (ρ = 0.04). Correlations with accelerometers increased overall from baseline to follow-up. Conclusion A 10-minute demonstration of MVPA was associated with reporting fewer minutes of MVPA and improved agreement with objective PA measures at baseline. These findings support combining self-report PA assessments with hands-on MVPA demonstrations.

Type de document: Article
Mots-clés libres: VAPEN chronic disease prevention exercise experiential learning theory measurement
Déposé par: Veille References
Date de dépôt: 09 mars 2017 13:42
Dernière modification: 09 mars 2017 13:42

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