The Concurrent Validity of the 3-Day Physical Activity Recall in Australian Youth

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James Dollman University of South Australia

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Rebecca Stanley University of Wollongong

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Andrew Wilson University of South Australia

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Valid measurement of youth physical activity is important and self-report methods provide convenient assessments at the population level. There is evidence that the validity of physical activity self-report varies by weight category. The aim of this study was to assess the validity of the 3-Day Physical Activity Recall (3DPAR), separately between normal weight and overweight/obese Australian youth. Accelerometer-derived physical activity variables were compared with 3DPAR variables in 155 (77 females) 11- to 14-year-olds from Adelaide, South Australia. In the whole sample, validity coefficients for self-reported moderate and moderate to vigorous physical activity were modest (rs = 0.12-0.31) and similar across gender and weight status categories. Validity coefficients for self-reported vigorous physical activity were much stronger (rs = 0.59-0.73) among overweight/obese than among normal weight participants. The validity of the 3DPAR in this study was low in the whole sample but varied according to physical activity intensity and the weight status of the child. Specifically, the 3DPAR may be appropriate for describing vigorous intensity physical activity among overweight and obese youth.

Dollman and Wilson are with the School of Health Sciences, University of South Australia, Adelaide, Australia. Stanley is with the School of Health and Behavioural Sciences, University of Wollongong, New South Wales, Australia.

Address author correspondence to James Dollman at james.dollman@unisa.edu.au.
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