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Resource | Research and Data | Benefit Content/Cost WIC Food Cost-Containment Practices Study

The WIC Food Cost-Containment Practices Study describes the voluntarily approaches state agencies used in 2018 to reduce food costs when selecting and authorizing WIC foods. This study is the second of its kind; the first was conducted by the USDA Economic Research Service in 2003. This report examines how six types of food cost-containment practices are associated with food costs and WIC participant satisfaction, benefit redemption, and food consumption in 12 state agencies. 

11/09/2022
Resource | Research and Data | Breastfeeding WIC Infant and Toddler Feeding Practices Study 2 (ITFPS-2): Fifth Year Report

The WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS-2)/ “Feeding My Baby” Study  is the only national study to capture data on caregivers and their children over the first 5 years of the child’s life after enrollment in WIC, regardless of their continued participation in the program. This report focuses on the dietary intake patterns, eating behaviors, and weight status of children during the fifth year of life. The report also examines associations between WIC participation and key diet and health-related outcomes.

06/21/2022
Resource | Research and Data | Assessing/Improving Operations Community Eligibility Provision Characteristics Study, SY 2016-17

This Community Eligibility Provision Characteristics study is the first comprehensive study since CEP became available nationwide in SY 2014-15. The study was designed to provide USDA with information about the impact of CEP and includes both an implementation and impact component.

03/17/2022
Resource | Research and Data | Food/Nutrient Analysis WIC Infant and Toddler Feeding Practices Study 2 (ITFPS-2): Fourth Year Report

The WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS-2)/ “Feeding My Baby” Study is the only national study to capture data on caregivers and their children over the first 6 years of the child's life regardless of their continued participation in WIC. Overall, the study examines child-feeding practices, associations between WIC services and those practices, and the health and nutrition outcomes of children who received WIC around birth. This report, the fifth in the series generated from this study, focuses on the dietary intake patterns and weight status of children during the fourth year of life. The report also examines families' WIC experiences and their perceptions of the program's impact.

09/08/2020
Resource | Research and Data | Impacts/Evaluations The Evaluation of Food Insecurity Nutrition Incentives Interim Report

The Food Insecurity Nutrition Incentive grant program provided $100 million to fund and evaluate projects that were intended to increase fruit and vegetable purchases among SNAP participants by providing incentives at the point of purchase. 

05/07/2019
Resource | Research and Data | Impacts/Evaluations WIC Medicaid II Feasibility Study: Final Report

The USDA Food and Nutrition Service’s 1990 WIC Medicaid Study I found that prenatal WIC participation was associated with improved birth outcomes and savings in Medicaid costs. A 2003 study by Buescher, et al., found that WIC participation during childhood was associated with increased health care utilization and Medicaid costs, and concluded that WIC enhanced children’s linkages to the health care system.

09/21/2018
Resource | Research and Data | Demonstrations Healthy Incentives Pilot Interim Report

The Healthy Incentive Pilot (HIP) is being evaluated using a rigorous research design. The overall goal of the evaluation is to assess the impact of HIP on participants’ intake of fruits and vegetables. 

07/01/2013
Resource | Research and Data | Food/Nutrient Analysis Evaluation of the Fresh Fruit and Vegetable Program

This report describes findings from the evaluation of the Fresh Fruit and Vegetable Pilot Program conducted during the 2010– 2011 school year. The evaluation had two components: (1) an impact study to estimate program impacts on participating elementary students and schools; and (2) an implementation study to examine how the FFVP operates in the selected elementary schools.

03/01/2013
Resource | Research and Data | Breastfeeding Evaluation of the Birth Month Breastfeeding Changes to the WIC Food Packages

In 2006, FNS asked the Institute of Medicine to review the WIC food packages. The IOM proposed major changes to improve nutrition and encourage breastfeeding but also expressed the concern that changes related to partial breastfeeding may have unintended consequences. The IOM recommended that FNS conduct an impact study evaluating the birth month breastfeeding changes to the WIC food packages. 

01/05/2012
Resource | Research and Data | Demonstrations SNAP Education and Evaluation Study: Wave I

This study, Models of SNAP Education and Evaluation (Wave I), is the first of two FNS-initiated independent evaluations designed to identify potential models of effective SNAP-Ed nutrition education and impact evaluation.

01/01/2012
Page updated: July 21, 2026