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Resource | Research and Data | Food/Nutrient Analysis Indicators of Diet Quality, Nutrition, and Health for Americans by Program Participation Status, 2011–2016: USDA NSLP Report

This study used 2011–2016 National Health and Nutrition Examination Survey (NHANES) data to examine the relationship between estimated program participation, diet quality, indicators of nutrition and health, food consumption patterns, and nutrient intakes. 

06/08/2022
Resource | Research and Data | Assessing/Improving Operations WIC Food Package Cost Report, FY 2010

This report estimates the average monthly food costs for each of 5 WIC participant subgroups and estimates total dollars spent on 17 major categories of WIC-eligible foods in FY 2010. The participant and food level costs in this report are USDA’s first estimates since implementation of the 2009 WIC food package changes.

08/21/2013
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 Reports | Breastfeeding WIC Infant Feeding Practices Study

This publication is based on the WIC Infant Feeding Practices Study (WIC-IFPS) sponsored by FNS. The WIC-IFPS is a one-year longitudinal study, which describes the infant feeding practices over the first year of life among a nationally representative sample of approximately 900 mothers who participated in WIC while they were pregnant.

07/01/1997
Page updated: September 16, 2025