Reliability and Validity of the Modified Chinese Version of the Children’s Leisure Activities Study Survey (CLASS) Questionnaire in Assessing Physical Activity among Hong Kong Children

in Pediatric Exercise Science
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This study aimed to examine the reliability and validity of the modified Children’s Leisure Activities Study Survey (CLASS) Chinese-version questionnaire in assessing physical activity among Hong Kong Chinese Children. Test-retest reliability was examined in 84 boys and 136 girls aged 9–12 years by comparing data from two administrations of the survey conducted one week apart. Validity was determined by comparing data from the second administration with accelerometer estimates. The results suggested that the questionnaire provided reliable and valid estimates in overall physical activity patterns in Hong Kong Chinese children. However, substantial overestimation was observed in vigorous activity.

Huang and Wong are with the Dept. of Sports Science and Physical Education, The Chinese University of Hong Kong, Hong Kong, China. Salmon is with the Center for Physical Activity and Nutrition Research, School of Exercise and Nutrition Sciences, Deakin University, Burwood, Australia.

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