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Examining the validity and reliability of the Chinese version of the International Physical Activity Questionnaire, long form (IPAQ-LC)
MacFarlane, Duncan Chan, Anson Cerin, Ester
MacFarlane, Duncan
Chan, Anson
Cerin, Ester
Abstract
Objective: To investigate the reliability and the validity of the long format, Chinese version of the International Physical Activity Questionnaire (IPAQ-LC). Design: Cross-sectional study, examining the reliability and validity of the IPAQLC compared with a physical activity log (PA-log) and objective accelerometry. Setting: Self-reported physical activity (PA) in Hong Kong adults. Subjects: A total of eighty-three Chinese adults (forty-seven males, thirty-six females) were asked to wear an ActiTrainer accelerometer (MTI-ActiGraph, Fort Walton Beach, FL, USA) for .10 h over 7 d, to complete a PA-log at the end of each day and to complete the IPAQ-LC on day 8. On a sub-sample of twenty-eight adults the IPAQ-LC was also administered on day 11 to assess its reliability. Results: The IPAQ-LC had good test–retest reliability for grouped activities, with intra-class correlation coefficients ranging from 0?74 to 0?97 for vigorous, moderate, walking and total PA, with between-test effect sizes that were small (,0?49). The Spearman correlation coefficients were statistically significant for vigorous PA (r 5 0?28), moderate 1 walking PA (r 5 0?27), as well as overall PA (r 5 0?35), when compared with the accelerometry-based criterion measures, but none of the IPAQ activity categories correlated significantly with the PA-log. In absolute units, only the IPAQ light and overall PA did not differ significantly from the accelerometry measures, yet overall PA was able to faithfully discriminate between quartiles of PA (P 5 0?019) when compared to accelerometry. Conclusions: The IPAQ-LC demonstrated adequate reliability and showed suffi- cient evidence of validity in assessing overall levels of habitual PA to be used on Hong Kong adults.
Keywords
Date
2011
Type
Journal article
Journal
Public Health Nutrition
Book
Volume
14
Issue
3
Page Range
443-450
Article Number
ACU Department
Mary MacKillop Institute for Health Research
Faculty of Health Sciences
Faculty of Health Sciences
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Controlled