查看文章

This study evaluated the effect of an intervention for reducing excess weight gain in primary school-age children in Tehran.

A cluster-randomized controlled trial was conducted in 12 primary schools in Tehran. Three hundred thirty-four pupils, 167 in the intervention and 167 in the comparison group, determined to be overweight or obese based on World Health Organization standards, were recruited for the study. The intervention included nutrition education and increased physical activity (PA) for the pupils, lifestyle modification for parents, and a change in food items sold at the schools’ canteens. The entire intervention lasted approximately 18 weeks. Measures were taken before and immediately after the intervention.

The intervention significantly reduced body mass index Z-score and hip circumference (p = .003 and p < .001, respectively). Waist circumference increased in both groups …