Sekhobo JP, et al. Trends in prevalence of obesity and overweight among children enrolled in the New York State WIC Program, 2002–2007. Public Health Rep. Mar/Apr 2010;125(2):218-224.
This studied looked at overweight and obesity trends in a multi-ethnic population of low-income preschool children enrolled in the New York State WIC Program. Researchers found that annual obesity prevalence peaked in 2003, declined between 2003 and 2005, and plateaued through 2007, while annual prevalence for overweight increased from 2002 through 2007.