This study assessed the impact of revisions to the USDA Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) food packages on nutritional behavior and obesity in children 0- to 4-years-old participating in the New York State (NYS) WIC program. In January 2009, NYS was the first to implement these revisions, which added fruits, vegetables, and whole grains and replaced whole milk with low(1%)-/nonfat milk for children 2- to 4-year-old.
Design and Methods
In this cross-sectional study, >3.5 million administrative records in the NYS WIC Statewide Information System (WICSIS) were analyzed at 6-month intervals from July to December 2008 (pre-implementation) through July to December 2011. Behavioral data in WICSIS were obtained from parent interview by WIC staff at mandatory certification and recertification visits.
Comparing July to December in 2008 and 2011, increases were observed in breastfeeding initiation (72.2-77.5%); delaying introduction of solid...