Validity and reliability of a physical activity recall instrument among overweight and non-overweight men and women

Timperio, Anna, Salmon, Jo and Crawford, David 2003, Validity and reliability of a physical activity recall instrument among overweight and non-overweight men and women, Journal of science and medicine in sport, vol. 6, no. 4, pp. 477-491.

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Title Validity and reliability of a physical activity recall instrument among overweight and non-overweight men and women
Author(s) Timperio, Anna
Salmon, Jo
Crawford, David
Journal name Journal of science and medicine in sport
Volume number 6
Issue number 4
Start page 477
End page 491
Publisher Sports Medicine Australia
Place of publication Belconnen, A.C.T
Publication date 2003
ISSN 1440-2440
1878-1861
Summary This study examined the validity and reliability of survey items measuring one-week recall of physical activity (PA) and examined differences by weight status. A sub-aim of the study was to objectively assess the intensity of activity that most closely matches self-report. A questionnaire was administered to adults twice, three days apart. It was again administered after subjects wore a MTI/CSA accelerometer for seven days (n = 118). Several metabolic equivalent (MET) thresholds were applied to the accelerometer data. Agreement between test and re- test estimates of sufficient physical activity for health benefits (150 min/week) was high (% agreement > 90%). Correlations (rho) between total reported PA (mins/day) and accelerometer data were 0.29 (p < 0.05) among men and 0.25 (p < 0.05) among women. Among men, self- reported duration of moderate PA (3-5.9 METS) and accelerometer data were significantly correlated (rho = 0.40, p < 0.01), with no differences by weight status. Among women, a significant relationship was found only for those who were not overweight (rho = 0.52, p < 0.001). A significant correlation between self-reported duration of vigorous PA (6+ METS) and accelerometer data was only found for overweight men (rho = 0.40, p < 0.05). When lower MET thresholds were applied to the accelerometer data, women's reported duration of moderate-intensity PA was most strongly correlated with moderate PA (accelerometer) defined as 2.0-5.9 METS (rho = 0.39, p < 0.01). The recall instrument provides a consistent measure of physical activity and validation coefficients were similar to those obtained for other physical activity recall questionnaires. However, the ability to measure PA by self-report may vary by weight status.
Language eng
Field of Research 110604 Sports Medicine
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2008, RMIT Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002149

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