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Resource | Research and Data | Participation Rates WIC Eligibles and Coverage - 1994 to 2007; Estimates of the Population Eligible for WIC Benefits

WIC provides food, nutrition education, breastfeeding support, and health care and social service referrals to nutritionally at-risk low-income pregnant women, new mothers, infants, and children through age 4. This report offers updated estimates of the population that met these criteria and was eligible for WIC benefits in each of the years 1994 through 2007.

09/01/2009
Resource | Research and Data | Participation Characteristics Dynamics of WIC Program Participation by Infants and Children, 2001 to 2003

This report provides information on the participation patterns of infants and children who were enrolled in WIC from fiscal years 2001 through 2003.

04/01/2009
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 Survey of the Public Health Nutrition Workforce: 2006-07

Report. Survey of the Public Health Nutrition Workforce: 2006-07

10/29/2007
Resource | Research and Data | Payment Accuracy and Program Integrity 2005 WIC Vendor Management Study

In 1991 and 1998, FNA conducted national studies of WIC vendors to determine the extent of vendor violation of program rules. After the 1998 study, FNA 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 Reports | Nutrition Education WIC Nutrition Education Assessment Study

The WIC Nutrition Education Assessment Study was conducted by Abt Associates Inc. of Cambridge, Massachusetts, under contract with FNA. The study was designed by FNA to fill several important gaps in information about the nutrition education component of the WIC Program.

 

09/01/1998
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 1996

The 1996 study of WIC program and participant characteristics, like PC92 and PC94, is substantially different from earlier efforts to collect data on WIC participants. PC96 employs the prototype reporting system which was developed by FNA for the collection of participant information from state WIC agencies.

08/01/1998
Resource | Research and Data | Impacts/Evaluations Very Low Birthweight Among Medicaid Newborns in Five States: The Effects of Prenatal WIC Participation

This study is an analysis of very low birthweight among Medicaid newborns and the effect of prenatal WIC participation on the likelihood of very low birthweight.

03/01/1992
Page updated: July 21, 2026