Comparison of two approaches to structured physical activity surveys for adolescents

Robert G. McMurray, Kimberly B. Ring, Margarita S. Treuth, Gregory J. Welk, Russell R. Pate, Kathryn H. Schmitz, Julie L. Pickrel, Vivian Gonzalez, M. Jaoa C.A. Almedia, Deborah Rohm Young, James F. Sallis

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Abstract

Purpose: To compare the test-retest reliability, convergent validity, and overall feasibility/ usability of activity-based (AB) and time-based (TB) approaches for obtaining self-reported moderate-to-vigorous physical activity (MVPA) from adolescents. Methods: Adolescents (206 females and 114 males) completed two 3-d physical activity recalls using the AB and TB surveys, which contained identical lists of physical activities. The participants wore an MTI Actigraph® accelerometer for the same period. Results: The TB instrument took about 3 min longer to complete (P = 0.022). Overall 2-d test-retest correlations for MVPA were similar for the two surveys (r = 0.676 and 0.667), but the girls had higher reliability on the AB survey than the boys (girls: r = 0.713; boys: r = 0.568). The overall 3-d correlations for MVPA surveys and Actigraph counts varied by gender (girls: AB = 0.265 vs TB = 0.314; boys: AB = 0.340 vs TB = 0.277). Correlations for vigorous physical activity and Actigraph counts were higher for the AB than for the TB (r = 0.281 vs 0.162). As the interval between completing the surveys and the days being recalled increased, reliability and validity were lower, especially for the AB survey. Conclusion: For both genders, either approach is acceptable for obtaining MVPA information on a single day, but the TB approach appears to be slightly favored over the AB approach for obtaining multiple days of MVPA. A 3-d recall period appears to be too long for accurate recall of MVPA information from either instrument. For both genders, the surveys overestimated activity levels; thus, self-reports should be supplemented with objective data.

Original languageEnglish (US)
Pages (from-to)2135-2143
Number of pages9
JournalMedicine and science in sports and exercise
Volume36
Issue number12
DOIs
StatePublished - Dec 2004

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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    McMurray, R. G., Ring, K. B., Treuth, M. S., Welk, G. J., Pate, R. R., Schmitz, K. H., Pickrel, J. L., Gonzalez, V., Almedia, M. J. C. A., Young, D. R., & Sallis, J. F. (2004). Comparison of two approaches to structured physical activity surveys for adolescents. Medicine and science in sports and exercise, 36(12), 2135-2143. https://doi.org/10.1249/01.MSS.0000147628.78551.3B