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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 Administration’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 | Assessing/Improving Operations WIC Participant and Program Characteristics 2016

WIC Participant and Program Characteristics 2016 (PC 2016) summarizes the demographic characteristics of participants in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) nationwide in April 2016. It includes information on participant income and nutrition risk characteristics, estimates breastfeeding initiation rates for WIC infants, and describes WIC members of migrant farm-worker families. PC 2016 is the most recent in a series of reports generated from WIC state management information system data biennially since 1992.

04/20/2018
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 | National Academy of Sciences/IOM Review of WIC Food Packages: Proposed Framework for Revisions

The phase I interim report, is the second of three reports. The first report, the Evaluation of White Potatoes in the Cash Value Voucher: Letter Report, recommended allowing white potatoes for purchase with the cash value voucher. This second report presents the evidence, analyses, and framework that will be applied to develop the final report (phase II), which will include recommendations for potential modifications to the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) food packages.

08/01/2016
Resource | Research and Data | Nutrition Education WIC Nutrition Education Study: Phase I Report

The WIC Nutrition Education Study (NEST) provides detailed information on WIC nutrition education services and includes the following two phases:
-- Phase I: Comprehensive nationally representative description of WIC nutrition education processes and features.
-- Phase II: Pilot study of the impact of WIC nutrition education on nutrition and other behaviors in six WIC sites.
This report presents the Phase I results of the study.

05/31/2016
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics Food Package Report 2014

This report is a supplement to the WIC Participant and Program Characteristics 2014 biennial report. It describes the content of Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) food packages for packages or prescriptions issued to WIC participants in April 2014.

02/29/2016
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2008

WIC Participant and Program Characteristics summarizes the demographic characteristics of WIC participants nationwide in April 2008, along with information on participant income and nutrition risk characteristics, a national estimate of breastfeeding initiation for WIC infants, and a description of WIC members of migrant farmworker families.

01/01/2010
Resource | Research and Data | Food/Nutrient Analysis Proposed Criteria for Selecting the WIC Food Packages

This report is the first step in the developing recommendations for revision to the WIC food packages. It reviews the nutritional needs and assesses the dietary adequacy of the WIC target population and proposes priority nutrients and food groups and general nutrition recommendations for the WIC food packages. This is a report of the National Academies' Institute of Medicine (Food and Nutrition Board), published here by permission. It is also available on the Institute of Medicine website.

08/01/2004
Page updated: July 21, 2026