Do extra compulsory physical education lessons mean more physically active children - findings from the childhood health, activity, and motor performance school study Denmark (The CHAMPS-study DK)

International Journal of Behavioral Nutrition and Physical Activity

Niels Wedderkopp²  Heidi Klakk¹  Jan Christian Brønd¹  Eva Friis Kamelarczyk¹  Jakob Tarp¹  Niels Christian Møller¹ 

[1] Centre of Research in Childhood Health, Institute for Sport Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark;Spine Centre of Southern Denmark, Hospital Lillebaelt, Middelfart, Denmark

关键词: CHAMPS-study DK;    Accelerometry;    Objective monitoring;    Children;    Organized sports;    School-based;    Physical education;    Physical activity;   

Others  :  1136192
DOI  :  10.1186/s12966-014-0121-0

 received in 2014-04-09, accepted in 2014-09-16,  发布年份 2014

【 摘 要 】

Background

Primarily, this study aims to examine whether children attending sports schools are more active than their counterpart attending normal schools. Secondary, the study aims to examine if physical activity (PA) levels in specific domains differ across school types. Finally, potential modifications by status of overweight/obesity and poor cardio-respiratory fitness are examined.

Methods

Participants were from the first part of the CHAMPS-study DK, which included approximately 1200 children attending the 0th – 6th grade. At the sports schools, the mandatory physical education (PE) program was increased from 2 to 6 weekly lessons over a 3-year period. Children attending normal schools were offered the standard 2 PE lessons. PA was assessed at two different occasions with the GT3X ActiGraph accelerometer, once during winter in 2009/10 and once during summer/fall in 2010. Leisure time organized sports participation was quantified by SMS track. Based on baseline values in 2008, we generated a high-BMI and a low-cardio-respiratory fitness for age and sex group variable.

Results

There were no significant differences in PA levels during total time, PE, or recess between children attending sports schools and normal schools, respectively. However, children, especially boys, attending sports schools were more active during school time than children attending normal schools (girls: β=51, p=0.065; boys: β=113, p<0.001). However, in the leisure time during weekdays children who attended sports schools were less active (girls: β=-41, p=0.004; boys: β=-72, p<0.001) and less involved in leisure time organized sports participation (girls: β=-0.4, p=0.016; boys: β=-0.2, p=0.236) than children who attended normal schools. Examination of modification by baseline status of overweight/obesity and low cardio-respiratory fitness indicated that during PE low fit girls in particular were more active at sports schools.

Conclusion

No differences were revealed in overall PA levels between children attending sports schools and normal schools. Sports schools children were more active than normal schools children during school time, but less active during leisure time. In girls, less organized sports participation at least partly explained the observed differences in PA levels during leisure time across school types. Baseline status of cardio-respiratory fitness modified school type differences in PA levels during PE in girls.

【 授权许可】

   
2014 Møller et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

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