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Reliability and validity of the international physical activity questionnaire compared to calibrated accelerometer cut-off points in the quantification of sedentary behaviour and physical activity in older adults.

Ryan, DJ, Wullens, JA, Stebbings, GK, Morse, CI, Stewart, CE and Onambele-Pearson, GL (2018) Reliability and validity of the international physical activity questionnaire compared to calibrated accelerometer cut-off points in the quantification of sedentary behaviour and physical activity in older adults. PLoS ONE, 13 (4). ISSN 1932-6203

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Open Access URL: https://journals.plos.org/plosone/article?id=10.13... (Published version)

Abstract

Background: The aim was to determine the reliability and validity of IPAQ measured sedentary behaviour (SB) and moderate–vigorous physical activity (MVPA) in older persons whilst examining any sex differences in reliability and validity results.
Method: 89 participants (73.7 ± 6.3 years, 54% female) completed the IPAQ. Participants were fitted with a thigh mounted triaxial accelerometer (GeneActiv Original) for seven consecutive days and subsequently completed a second IPAQ.
Results: IPAQ showed weak reliability qualities for Total SB (h·week-1) and 10 minute MVPA (accumulated in bouts ≥ 10 continuous minutes, h·week-1). IPAQ had poor concurrent validity qualities for Total SB, 10 minute MVPA, but not Sporadic MVPA (accumulated in bouts < 10 continuous minutes, h·week-1). IPAQ only categorised participant physical behaviour classification correctly 2% of the time. Sex differences were only present for the correlation slope of IPAQ 10 minute MVPA reliability measures.
Conclusion: Our data suggests that the IPAQ is not suitable for assessing older adults habitual physical behaviour.

Item Type: Article
Uncontrolled Keywords: MD Multidisciplinary
Subjects: R Medicine > RC Internal medicine > RC1200 Sports Medicine
Divisions: Sport & Exercise Sciences
Publisher: Public Library of Science (PLoS)
Date Deposited: 12 Feb 2019 10:26
Last Modified: 12 Feb 2019 10:27
DOI or Identification number: 10.1371/journal.pone.0195712
URI: http://researchonline.ljmu.ac.uk/id/eprint/10147

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