Volume 20 Issue 1
Feb.  2007
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AI-LING LIU, XIAO-QI HU, GUAN-SHENG MA, ZHAO-HUI CUI, YONG-PING PAN, SU-YING CHANG, WEN-HUA ZHAO, CHUN-MING CHEN. Report on Childhood Obesity in China (6) Evaluation of a Classroom-based Physical Activity Promotion Program[J]. Biomedical and Environmental Sciences, 2007, 20(1): 19-23.
Citation: AI-LING LIU, XIAO-QI HU, GUAN-SHENG MA, ZHAO-HUI CUI, YONG-PING PAN, SU-YING CHANG, WEN-HUA ZHAO, CHUN-MING CHEN. Report on Childhood Obesity in China (6) Evaluation of a Classroom-based Physical Activity Promotion Program[J]. Biomedical and Environmental Sciences, 2007, 20(1): 19-23.

Report on Childhood Obesity in China (6) Evaluation of a Classroom-based Physical Activity Promotion Program

Funds:  International Life Science Institute Focal Point-China
  • Objectives To evaluate the effect of Happy 10 program on the promotion of physical activity, physical growth and development of primary-school students, and on obesity control and prevention. Methods Two similar primary schools from one district of Beijing, China were selected, one as an intervention school and the other as a control school. Happy 10program was implemented at least once every school day in the intervention school for two semesters, whereas no intervention was adopted in the control school. The information on energy expenditure and duration of physical activity was collected by a validated 7-day physical activity questionnaire. Height and weight were measured by trained investigators following the standardized procedure. Energy expenditure and intensity of each Happy 10 session was measured by a physical activity monitor. Results The average energy expenditure and duration of total physical activity per day among students in the intervention school increased significantly from 15.0 to 18.2 kcal/kg, and 2.8 to 3.3 h respectively, whereas the figures significantly decreased in the control school. There was a significant difference in change of weight and BMI between girls in the intervention and control school (2.4 kg vs 4.6 kg, -0.47 kg/m2 vs 0.66 kg/m2). The prevalence of overweight and obesity in the intervention school decreased by 0.4%-5.6%, as compared to the increase by 0.6%-4.5% in the control school. The average energy expenditure and intensity per 10-minute session ranged from 25.0-35.1 kcal, 4.8-6.2 kcal/kg/h respectively in grades 1-5.Conclusion Happy 10 program provides a useful strategy to promote physical activity among school children and also plays a positive role in building up physical growth and development of girls.
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Report on Childhood Obesity in China (6) Evaluation of a Classroom-based Physical Activity Promotion Program

Funds:  International Life Science Institute Focal Point-China

Abstract: Objectives To evaluate the effect of Happy 10 program on the promotion of physical activity, physical growth and development of primary-school students, and on obesity control and prevention. Methods Two similar primary schools from one district of Beijing, China were selected, one as an intervention school and the other as a control school. Happy 10program was implemented at least once every school day in the intervention school for two semesters, whereas no intervention was adopted in the control school. The information on energy expenditure and duration of physical activity was collected by a validated 7-day physical activity questionnaire. Height and weight were measured by trained investigators following the standardized procedure. Energy expenditure and intensity of each Happy 10 session was measured by a physical activity monitor. Results The average energy expenditure and duration of total physical activity per day among students in the intervention school increased significantly from 15.0 to 18.2 kcal/kg, and 2.8 to 3.3 h respectively, whereas the figures significantly decreased in the control school. There was a significant difference in change of weight and BMI between girls in the intervention and control school (2.4 kg vs 4.6 kg, -0.47 kg/m2 vs 0.66 kg/m2). The prevalence of overweight and obesity in the intervention school decreased by 0.4%-5.6%, as compared to the increase by 0.6%-4.5% in the control school. The average energy expenditure and intensity per 10-minute session ranged from 25.0-35.1 kcal, 4.8-6.2 kcal/kg/h respectively in grades 1-5.Conclusion Happy 10 program provides a useful strategy to promote physical activity among school children and also plays a positive role in building up physical growth and development of girls.

AI-LING LIU, XIAO-QI HU, GUAN-SHENG MA, ZHAO-HUI CUI, YONG-PING PAN, SU-YING CHANG, WEN-HUA ZHAO, CHUN-MING CHEN. Report on Childhood Obesity in China (6) Evaluation of a Classroom-based Physical Activity Promotion Program[J]. Biomedical and Environmental Sciences, 2007, 20(1): 19-23.
Citation: AI-LING LIU, XIAO-QI HU, GUAN-SHENG MA, ZHAO-HUI CUI, YONG-PING PAN, SU-YING CHANG, WEN-HUA ZHAO, CHUN-MING CHEN. Report on Childhood Obesity in China (6) Evaluation of a Classroom-based Physical Activity Promotion Program[J]. Biomedical and Environmental Sciences, 2007, 20(1): 19-23.

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