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Regular and adequate levels of physical activity can counteract several risk factors associated with mortality, disease, mental health and wellbeing. The funders had no role in study design, data analysis, data interpretation, or preparation of the manuscript.Ĭompeting interests: The authors have declared that no competing itnerests exist The PATH Research Committee can be contacted at This research has been supported by the National Health and Medical Research Council grant No.
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This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.ĭata Availability: Although the PATH study governance arrangements and the commitments made to participants do not allow for unrestricted sharing of research data, we will be happy to make available the analysed data to external parties to verify our findings or for research purposes on a case by case basis after a formal request to, and approval from the PATH Research Committee. Received: MaAccepted: JPublished: August 11, 2021Ĭopyright: © 2021 Quinlan et al. PLoS ONE 16(8):Įditor: Jaroslaw Harezlak, Indiana University, UNITED STATES (2021) The accuracy of self-reported physical activity questionnaires varies with sex and body mass index. The addition of Body Mass Index (BMI) resulted in non-significant interactions between the PAR and SWA for moderate-intensity, and the AAS and SWA for vigorous-intensity a significant interaction between AAS and BMI indicated that the strength of the association differed by BMI for vigorous-intensity.Ĭitation: Quinlan C, Rattray B, Pryor D, Northey JM, Anstey KJ, Butterworth P, et al. Compared to lighter intensities, time spent at a vigorous intensity was overreported by participants with the PAR and AAS by 91 and 43 minutes per week, respectively. For the AAS, participants reported over 7 hours, or 38% less moderate physical activity. For the PAR, participants reported over 20 hours, or 69% less light physical activity than recorded by the SWA per week. The largest margins of error were present at light and moderate intensities. Both surveys tended to under-report physical activity. A significant interaction between the PAR and sex for vigorous-intensity unveiled a weaker association in women.