Criterion validity of two physical activity and one sedentary time questionnaire against accelerometry in a large cohort of adults and older adults. ...

OBJECTIVES: We compared the ability of physical activity and sitting time questionnaires (PAQ) for ranking individuals versus continuous volume calculations (physical activity level (PAL), metabolic equivalents of task (MET), sitting hours) against accelerometry measured physical activity as our cri...

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Bibliographic Details
Main Authors: Sagelv, Edvard H, Hopstock, Laila A, Johansson, Jonas, Hansen, Bjørge H, Brage, Soren, Horsch, Alexander, Ekelund, Ulf, Morseth, Bente
Format: Article in Journal/Newspaper
Language:English
Published: BMJ 2020
Subjects:
accelerometer
epidemiology
medicine
physical activity
sitting time
Tromsø
Online Access:https://dx.doi.org/10.17863/cam.60074
https://www.repository.cam.ac.uk/handle/1810/312974
Description
Summary:OBJECTIVES: We compared the ability of physical activity and sitting time questionnaires (PAQ) for ranking individuals versus continuous volume calculations (physical activity level (PAL), metabolic equivalents of task (MET), sitting hours) against accelerometry measured physical activity as our criterion. METHODS: Participants in a cohort from the Tromsø Study completed three questionnaires; (1) The Saltin-Grimby Physical Activity Level Scale (SGPALS) (n=4040); (2) The Physical Activity Frequency, Intensity and Duration (PAFID) questionnaire (n=5902)) calculated as MET-hours·week-1 and (3) The International Physical Activity questionnaire (IPAQ) short-form sitting question (n=4896). We validated the questionnaires against the following accelerometry (Actigraph wGT3X-BT) estimates: vector magnitude counts per minute, steps∙day-1, time (minutes·day-1) in sedentary behaviour, light physical activity, moderate and vigorous physical activity (MVPA) non-bouted and ≥10 min bouted MVPA. RESULTS: Ranking of physical ...

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