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Resource | Research and Data WIC Infant and Toddler Feeding Practices Study-2: Ninth Year Report

This report, in the WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS-2)/ “Feeding My Baby” Study analyzes the long-term impact of the USDA’s Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) by gathering information on caregivers and children over the first nine years of the child's life after enrollment in WIC, regardless of their continued participation in the program.

05/22/2025
Resource | Research and Data WIC and FMNP Modernization Annual Evaluation Report - 2024

The WIC and FMNP Modernization Evaluation tracks the progress and outcomes of program modernization efforts funded by Congress in 2021. This first annual report provides an overview of the WIC and FMNP modernization efforts underway and highlights early implementation findings, covering activities from September 2022 - September 2024.

04/21/2025
Resource | Research and Data Development of a WIC Participant and Program Characteristics Longitudinal Data Set

The goal of this study was to pilot creating a WIC participant characteristics (PC) longitudinal data set with one WIC state agency. Eight state agencies with varying management information systems (MIS) platforms and high quality WIC PC 2020 data completed a survey about their MIS and longitudinal data provision capabilities. The survey assessed these state agencies’ MIS capabilities, as measured in six areas, to provide a longitudinal data set. This report describes the process of working with one WIC state agency to create a pilot WIC PC longitudinal data set of infant and child participants and the challenges and successes of this effort.

04/15/2025
Data Visualization
WIC & FMNP Modernization Dashboard

WIC has been serving families for more than 50 years. To ensure that WIC continues to get results, the program must modernize. 

04/04/2024
Resource | Research and Data | Nutrition Education WIC Nutrition Education Study: Phase II Final Report

Phase II was a methodological study, conducted in six sites during 2015–2016, to test an approach to determine its feasibility for a national evaluation.

09/21/2018
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 | Breastfeeding WIC Infant and Toddler Feeding Practices Study 2 (ITFPS-2): Second Year Report

The WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS-2)/ “Feeding My Baby” Study captures data on caregivers and their children over the first 5 years of the child’s life after WIC enrollment to address a series of research questions regarding feeding practices, associations between WIC services and those practices, and the health and nutrition outcomes of children receiving WIC.

04/20/2018
Resource | Research and Data | Benefit Content/Cost WIC Nutrition Services and Administration Cost Study

The WIC Nutrition Services and Administration cost study examines how program funds are expended by state and local agencies to support the management and operation of WIC. The study analyzed data from a national survey of state and local agencies, cases studies, and FY 2013 WIC administrative data.

11/27/2017
Resource | Research and Data | Assessing/Improving Operations WIC Vendor Peer Group Study

The purpose of this study is to evaluate the effectiveness of state agencies current peer group systems, and to provide guidance to state agencies on how to evaluate and update their systems. Specifically, it uses empirical analysis to identify one or more effective models for establishing vendor peer groups that could apply to most state agencies.

05/31/2017
Resource | Research and Data | Breastfeeding WIC Infant and Toddler Feeding Practices Study 2: Infant Year Report

The WIC Infant and Toddler Feeding Practices Study 2 (WIC ITFPS 2), "Feeding My Baby Study" captures data on WIC caregivers and their children over the first 5 years of each child’s life to address a series of research questions regarding feeding practices, the effect of WIC services on those practices, and the health and nutrition outcomes of children on WIC. Additionally, the study assesses changes in behaviors and trends that may have occurred over the past 20 years by comparing findings to the WIC Infant Feeding Practices Study–1, the last major study of the diets of infants on WIC. This study will provide a series of reports. The current report focuses on breastfeeding intention, initiation and duration, and the introduction of complementary foods.

01/05/2017
Page updated: September 16, 2025