The WIC Participant and Program Characteristics (PC 2004) report summarizes demographic characteristics of WIC participants nationwide in April 2004, along with information on participant income and nutrition risk characteristics. A national estimate of breastfeeding initiation for WIC infants is included. The report also describes WIC members of migrant farm-worker families.

WIC seeks to improve fetal development and reduce the incidence of low birthweight, short gestation, and anemia through intervention during the prenatal period. This publication is the seventh report in the series of studies on WIC participants and program characteristics.