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

Declan J Ryan, Jorgen A Wullems, Georgina K Stebbings, Christopher I Morse, Claire E Stewart and Gladys L Onambele-Pearson

PLOS ONE, 2018, vol. 13, issue 4, 1-17

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

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0195712

DOI: 10.1371/journal.pone.0195712

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