By Julian Pecquet - 12/15/11 08:27 PM EST
Children ages five and six saw more improvement than older children. Likewise, children from poorer families did not do as well as wealthier children.
The CDC attributed the results to multiple programs New York City has put into place since 2003 to combat childhood obesity. These include more nutritious school meals, increased physical activity time for students and training school nurses to identify and monitor children at high risk for obesity.