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Evaluation of Two Self-Report Measures of Physical Activity With Accelerometry in Young Adults
Journal of Physical Activity & Health (2013)
  • John R. Sirard, University of Massachusetts - Amherst
  • Peter J. Hannan
  • Gretche J. Cutler
  • Dan J. Graham
  • Dianne Neumark-Sztainer
Background—The purpose of this paper is to evaluate self reported physical activity of young adults using one-week and one-year recall measures with an accelerometer as the criterion measure. Methods—Participants were a subsample (N=121, 24±1.7 yrs) from a large longitudinal cohort study. Participants completed a detailed one-year physical activity recall, wore an accelerometer for one week and then completed a brief one-week physical activity recall when they returned the accelerometer. Results—Mean values for moderate-to-vigorous physical activity (MVPA) from the three instruments were 3.2, 2.2, and 13.7 hours/wk for the accelerometer, one-week recall, and one-year recall, respectively (all different from each other, p<0.001). Spearman correlations for moderate, vigorous, and MVPA between the accelerometer and the one-week recall (0.30, 0.50, and 0.40, respectively) and the one-year recall (0.31, 0.42, and 0.44, respectively) demonstrated adequate validity. Conclusions—Both recall instruments may be used for ranking physical activity at the group level. At the individual level, the one-week recall performed much better in terms of absolute value of physical activity. The one-year recall overestimated total physical activity but additional research is needed to fully test its validity.
  • physical activity assessment,
  • measurement,
  • motion sensors,
  • instrument psychometrics
Publication Date
January, 2013
Publisher Statement
This article was harvested from PubMed Central
Citation Information
John R. Sirard, Peter J. Hannan, Gretche J. Cutler, Dan J. Graham, et al.. "Evaluation of Two Self-Report Measures of Physical Activity With Accelerometry in Young Adults" Journal of Physical Activity & Health Vol. 10 Iss. 1 (2013)
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