MacFarlane, D., Chan, A. & Cerin, E. (2011). Examining the validity and reliability of the Chinese version of the International Physical Activity Questionnaire, long form (IPAQ-LC). Public Health Nutrition,14(3), 443-450. Retrieved from https://doi.org/10.1017/S1368980010002806
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.
Institute for Health and Ageing
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