Multicomponent school-initiated obesity intervention in a high-risk, Hispanic elementary school.

The aim of the study was to determine the effectiveness of a school-initiated cognitive and behavioral program to reduce childhood obesity. Height, weight, body mass index (BMI), and BMI z scores were obtained at the beginning and end of the school year at an intervention school (n = 1022) and at a control school (n = 692). The prevalence of overweight and obesity was 18.