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Resource | Research and Data The Low-Cost, Moderate-Cost, and Liberal Food Plans, 2007

The Low-Cost, Moderate-Cost, and Liberal Food Plans outline nutrient-dense foods and beverages, their amounts, and associated costs that can be purchased on three successively higher budgets, each supporting a healthy diet through nutritious meals and snacks at home. The Low-Cost, Moderate-Cost, and Liberal Food Plans are used by various federal and state agencies and the court system. 

11/14/2007
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 Thrifty Food Plan, 2006

The Thrifty Food Plan, a fundamental part of the U.S. food guidance system and the basis for maximum food stamp allotments, has been revised by USDA’s Center for Nutrition Policy and Promotion, with assistance from USDA’s Food and Nutrition Service, Economic Research Service, and Agricultural Research Service. The TFP provides a representative healthful and minimal cost meal plan that shows how a nutritious diet may be achieved with limited resources. The plan assumes that all purchased food is consumed at home.

04/11/2007
Resource | Research and Data | Participation Characteristics Characteristics of Food Stamp Households: FY 2005

This report provides information about the demographic and economic circumstances of food stamp households in fiscal year 2005. The report draws on data for households participating in the Food Stamp Program under normal rules and thus does not include information about those who received disaster assistance after the Gulf Coast hurricanes in October 2004 and September 2005.

09/01/2006
Resource | Research and Data | Food/Nutrient Analysis Analysis of WIC Food Package Prescriptions, 1998-2002

The purpose of this report is to illustrate the types and amounts of foods being prescribed within the WIC food package for each category of participants. This report does not provide information on redemption of the food prescriptions, or on actual food consumption; at this time, comprehensive data are available only on food prescriptions.

04/01/2006
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2004

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.

03/01/2006
Resource | Research and Data | Breastfeeding Breastfeeding Intervention Design Study

While a great deal of breastfeeding promotion and support is happening in WIC at both the state and local levels, there has been no systematic effort to evaluate what might work best in the WIC setting. Within this context, FNS  contracted for a breastfeeding intervention design study with the following goals: Identify interventions to increase the incidence, duration and intensity of breastfeeding among women participating in WIC; and design an evaluation plan to examine the implementation and effectiveness of these interventions.

08/30/2004
Resource | Research Reports | Assessing/Improving Operations WIC Participant and Program Characteristics 2002

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.

09/01/2003
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 | 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
Page updated: September 16, 2025