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International physical activity questionnaire: 12-country reliability and validity
Canadian Fitness and Lifestyle Research Institute, Ottawa, Canada.
chool of Human Movement Studies, University of Queensland, Brisbane, Australia.
PrevNut at Novum, Karolinska Institutet, Stockholm, Sweden.
Centre for Physical Activity and Health, School of Public Health and Community Medicine, University of NSW, Sydney, Australia.
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2003 (English)In: Medicine & Science in Sports & Exercise, ISSN 0195-9131, E-ISSN 1530-0315, Vol. 35, no 8, 1381-1395 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: Physical inactivity is a global concern, but diverse physical activity measures in use prevent international comparisons. The International Physical Activity Questionnaire (IPAQ) was developed as an instrument for cross-national monitoring of physical activity and inactivity.

METHODS: Between 1997 and 1998, an International Consensus Group developed four long and four short forms of the IPAQ instruments (administered by telephone interview or self-administration, with two alternate reference periods, either the "last 7 d" or a "usual week" of recalled physical activity). During 2000, 14 centers from 12 countries collected reliability and/or validity data on at least two of the eight IPAQ instruments. Test-retest repeatability was assessed within the same week. Concurrent (inter-method) validity was assessed at the same administration, and criterion IPAQ validity was assessed against the CSA (now MTI) accelerometer. Spearman's correlation coefficients are reported, based on the total reported physical activity.

RESULTS: Overall, the IPAQ questionnaires produced repeatable data (Spearman's rho clustered around 0.8), with comparable data from short and long forms. Criterion validity had a median rho of about 0.30, which was comparable to most other self-report validation studies. The "usual week" and "last 7 d" reference periods performed similarly, and the reliability of telephone administration was similar to the self-administered mode.

CONCLUSIONS: The IPAQ instruments have acceptable measurement properties, at least as good as other established self-reports. Considering the diverse samples in this study, IPAQ has reasonable measurement properties for monitoring population levels of physical activity among 18- to 65-yr-old adults in diverse settings. The short IPAQ form "last 7 d recall" is recommended for national monitoring and the long form for research requiring more detailed assessment.

Place, publisher, year, edition, pages
2003. Vol. 35, no 8, 1381-1395 p.
Keyword [en]
Epidemiology; Measurement; Surveillance
National Category
Sport and Fitness Sciences
Research subject
Sports Science
URN: urn:nbn:se:uu:diva-304861DOI: 10.1249/01.MSS.0000078924.61453.FBISI: 000184527600020PubMedID: 12900694ScopusID: 2-s2.0-0042855872OAI: oai:DiVA.org:uu-304861DiVA: diva2:1034401
Available from: 2015-01-11 Created: 2016-10-11 Last updated: 2016-10-11

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