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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, 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 | Participation Characteristics The Characteristics of Native American WIC Participants, On and Off Reservations

This report describes Native American participation in WIC based on data collected by the biennial WIC Participant and Program Characteristics Studies in 1992, 1994, 1996, and 1998. The report presents information on the geographic distribution, demographic characteristics, health status, and public health concerns of low-income Native American women, infants, and children participating in the WIC program on and off reservations; describes Native American Tribes and the role of tribal governments in administering WIC programs; compares the characteristics of Native American WIC enrollees with all WIC enrollees; and examines the health status of Native American WIC enrollees.

09/10/2002
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
Resource | Research and Data | Food/Nutrient Analysis Dietary Risk Assessment in the WIC Program

This is a report of the National Academies' Institute of Medicine (Food and Nutrition Board), published here by permission. This report seeks to evaluate the use of various dietary assessment tools and to make recommendations for their use in identifying individuals who are at dietary risk.

06/01/2002
Resource | Research and Data | Participation Characteristics Adolescent WIC Participants Study

This study was designed to describe the characteristics of adolescent women in WIC, as well as to identify their special needs, such as nutrition education, referral to other agencies, and their satisfaction with the services they received. 

05/28/2002
Resource | Research and Data | Participation Characteristics National Survey of WIC Participants

Since 1992, FNS has produced biennial reports on WIC participant and program characteristics based on the WIC Minimum Data Set compiled from state management information systems. The 20 items included in the MDS are collected as part of ongoing WIC operations and consist primarily of in formation related to participant eligibility.

10/01/2001
Resource | Research and Data | Demonstrations Framework for Dietary Risk Assessment in the WIC Program

This is a report of the National Academies' Institute of Medicine (Food and Nutrition Board), published here by permission.

10/01/2001
Resource | Research and Data | Participation Characteristics Prevalence of Overweight Among WIC Children

This study examines the trends in the prevalence of overweight among WIC children during the 1990s. The study is based on data collected by the biennial WIC Participant and Program Characteristics Studies (1992, 1994, 1996 and 1998). 

07/01/2001
Page updated: September 16, 2025