Validation of the Physical Activity Questionnaire for Older Children (PAQ-C) among Chinese Children *

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Wang, Jing Jing. ; Baranowski, Tom. ; Lau, W C Patrick. ; Chen, Tzu An. ; Pitkethly, Amanda Jane. (2016)
  • Publisher: Elsevier
  • Subject: Physical activity, measurement, children, reliability, validity, | 613 Personal health & safety | RC1200 Sports Medicine | Physical activity | Wellbeing

Objective This study initially validates the Chinese version of the Physical Activity Questionnaire for Older Children (PAQ-C), which has been identified as a potentially valid instrument to assess moderate-to-vigorous physical activity (MVPA) in children among diverse racial groups. Methods The psychometric properties of the PAQ-C with 742 Hong Kong Chinese children were assessed with the scale's internal consistency, reliability, test-retest reliability, confirmatory factory analysis (CFA) in the overall sample, and multistep invariance tests across gender groups as well as convergent validity with body mass index (BMI), and an accelerometry-based MVPA. Results The Cronbach alpha coefficient (α=0.79), composite reliability value (ρ=0.81), and the intraclass correlation coefficient (α=0.82) indicate the satisfactory reliability of the PAQ-C score. The CFA indicated data fit a single factor model, suggesting that the PAQ-C measures only one construct, on MVPA over the previous 7 days. The multiple-group CFAs suggested that the factor loadings and variances and covariances of the PAQ-C measurement model were invariant across gender groups. The PAQ-C score was related to accelerometry-based MVPA (r=0.33) and inversely related to BMI (r=-0.18). Conclusion This study demonstrates the reliability and validity of the PAQ-C in Chinese children.
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