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Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2012

This report is a census of women, infants, and children who were participating in the WIC program in April, 2012. The report includes information on participant income and nutrition risk characteristics, and estimates breastfeeding initiation rates for WIC infants.

12/11/2013
Resource | Research and Data | General/Other SNAP Education and Evaluation Study (Wave II)

This report is a census of women, infants, and children who were participating in the WIC program in April, 2012. The report includes information on participant income and nutrition risk characteristics, and estimates breastfeeding initiation rates for WIC infants.

12/05/2013
Basic page The Role of the WIC Program in Improving Peri-conceptional Nutrition: A Small Grants Program

The University of California at Los Angeles (UCLA) is managing a small-grants research program, funded by FNS. Through a competitive process, UCLA awarded seven grants in June 2012.

09/09/2013
Resource | Research and Data | Assessing/Improving Operations WIC Food Package Cost Report, FY 2010

This report estimates the average monthly food costs for each of 5 WIC participant subgroups and estimates total dollars spent on 17 major categories of WIC-eligible foods in FY 2010. The participant and food level costs in this report are USDA’s first estimates since implementation of the 2009 WIC food package changes.

08/21/2013
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2010

WIC Participant and Program Characteristics summarizes the demographic characteristics of nationwide participants in April 2010. It includes information on participant income and nutrition risk characteristics, estimates breastfeeding initiation rates for WIC infants, and describes WIC members of migrant farm-worker families.

12/01/2011
Resource | Research and Data | Food/Nutrient Analysis WIC Food Packages Policy Options

This study describes some of the choices state agencies made as they exercised the flexibility offered during the implementation and describes the resulting food packages.

06/01/2011
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2006

The WIC Participant and Program Characteristics (PC 2006) report summarizes demographic characteristics of WIC participants nationwide in April 2006, 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.

12/01/2007
Resource | Research and Data | Payment Accuracy and Program Integrity 2005 WIC Vendor Management Study

In 1991 and 1998, FNS conducted national studies of WIC vendors to determine the extent of vendor violation of program rules. After the 1998 study, FNS issued regulations to correct vendor practices. The 2005 study replicates the 1998 study to determine whether the regulations were effective, and to measure the frequency of vendor violations and the degree to which vendors charge accurate prices for WIC transactions.

04/27/2007
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2000

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.

07/01/2002
Page updated: September 16, 2025