Validity of a self-report recall tool for estimating sedentary behaviour in adults
Gomersall, Sjaan R., Pavey, Toby, Clark, Bronwyn Kay, Jasman, Adib, & Brown, Wendy J. (2015) Validity of a self-report recall tool for estimating sedentary behaviour in adults. Journal of Physical Activity & Health, 12(11).
Sedentary behavior is continuing to emerge as an important target for health promotion. The purpose of this study was to determine the validity of a self-report use of time recall tool, the Multimedia Activity Recall for Children and Adults (MARCA) in estimating time spent sitting/lying, compared with a device-based measure.
Fifty-eight participants (48% female, [mean±standard deviation] 28±7.4 years of age, 23.9±3.05 kg/m2) wore an activPAL device for 24-h and the following day completed the MARCA. Pearson correlation coefficients (r) were used to analyse convergent validity of the adult MARCA compared with activPAL estimates of total sitting/lying time. Agreement was examined using Bland-Altman plots.
According to activPAL estimates, participants spent 10.4 hr/day [standard deviation (SD)=2.06] sitting or lying down while awake. The correlation between MARCA and activPAL estimates of total sit/lie time was r=0.77 (95% confidence interval = 0.64-0.86; p<0.001). Bland-Altman analyses revealed a mean bias of +0.59 hr/day with moderately wide limits of agreement (-2.35 hours to +3.53 hr/day).
This study found a moderate to strong agreement between the adult MARCA and the activPAL, suggesting that the MARCA is an appropriate tool for the measurement of time spent sitting or lying down in an adult population.
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|Item Type:||Journal Article|
|Keywords:||Multimedia Activity Recall for Children and Adults, use of time, activPAL, sitting time|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Exercise & Nutrition Sciences
|Copyright Owner:||Copyright 2015 Human Kinetics, Inc.|
|Deposited On:||02 Feb 2016 01:22|
|Last Modified:||02 Mar 2016 06:50|
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