Determinants of physical activity in middle school children.

  title={Determinants of physical activity in middle school children.},
  author={Stewart Trost and Ruth Saunders and Dianne Stanton Ward},
  journal={American journal of health behavior},
  volume={26 2},
OBJECTIVE To evaluate the theory of reasoned action (TRA) and planned behavior (TPB) in predicting moderate-to-vigorous physical activity (MVPA) in sixth-grade youth. METHODS One hundred ninety-eight students completed a questionnaire measuring attitudes, subjective norms, perceived behavioral control, and intentions to be active. MVPA was measured using the CSA 7,164 accelerometer. RESULTS Although demonstrating an acceptable fit, the TRA and TPB accounted for only a small percentage of… CONTINUE READING

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