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J Pediatr. 2010 Jul;157(1):36-42.e3. doi: 10.1016/j.jpeds.2009.12.046. Epub 2010 Mar 15.

Impact of an after-school physical activity program on obesity in children.

Author information

1
Family & Community Medicine Teaching Unit, Servicio de Salud de Castilla-La Mancha, Cuenca, Spain.

Abstract

OBJECTIVE:

To assess the impact of a 2-year recreational physical activity program in 1044 fourth- and fifth-grade primary schoolchildren from the Province of Cuenca, Spain.

STUDY DESIGN:

Cluster-randomized controlled trial with 10 intervention and 10 control schools. The program consisted of 3 90-minute sessions of physical activity per week,during 28 weeks every year.Changes in endpoints between baseline (September 2004) and the end of follow-up (June 2006) were compared between the control and intervention group by using mixed regression models, with adjustment for the baseline endpoint value, age, and the school.

RESULTS:

Compared with control subjects, intervention girls reduced the frequency of overweight (odds ratio, 0.55; 95% CI, 0.39-0.78; P<.001). However, intervention was associated with an increase in the percentage of body fat in boys (0.97%; 95% CI, 0.14-1.81; P=.02). Girls in the intervention group had lower total cholesterol level (-6.86 mg/dL; 95% CI, -9.70--4.01; P<.001) and apolipoprotein B level (-3.61 mg/dL; 95% CI, -6.27--0.95; P=.008) than control subjects. Results were similar in boys.

CONCLUSION:

In 2 years, the physical activity program lowered the frequency of overweight in girls and reduced total cholesterol and apolipoprotein B in both girls and boys.

PMID:
20227726
DOI:
10.1016/j.jpeds.2009.12.046
[Indexed for MEDLINE]

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