Table 2.

Reported Statistically Significant Obesity Declines in Study Sites

Site	Age or grade	Reported decline	Period of decline
Anchorage, AK17	Students in grades K, 1, and 3	Obesity declined from 18.0% to 17.6%, representing a relative decrease of 2.2% (p < 0.001)	2003–2004 to 2010–2011 school years
Granville County, NC13	Children 2–4 years of age	Overweight/obesity declined from 36% to 29.7%, representing a relative decline of 17.5% (p < 0.01)	2005 to 2010
New York City, NY17	Students in grades K-8	Obesity declined from 21.9% to 20.7%, representing a relative decline of 5.5% (p < 0.001)	2006–2007 to 2010–2011 school years
Philadelphia, PA18,19	Students in grades K-8	Obesity declined from 21.5% to 20.5%, representing a 4.7% relative decrease (7.7% for severe obesity) (p < 0.001)	2006–2007 to 2009–2010 school years