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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 | Food/Nutrient Analysis Review of WIC Food Packages: Improving Balance and Choice

The National Academies of Sciences, Engineering, and Medicine  convened an expert committee to review and assess the nutritional status and food and nutritional needs of the WIC-eligible population and provide recommendations based on its review and grounded in the most recently available science. The committee produced three reports as part of this task. 

01/05/2017
Resource | Research and Data | General/Other Examination of Cash Nutrition Assistance Program Benefits in Puerto Rico

The Nutrition Assistance Program in the Commonwealth of Puerto Rico provides a monthly benefit for food to low-income households that includes both cash and noncash portions. Three-fourths (75 percent) of the benefit must be redeemed for eligible food items through electronic benefit transfer (EBT) at certified retailers. The remaining 25 percent may be redeemed in cash. The entire benefit (both the noncash and cash portions) is to be used only for the purchase of eligible food items.

08/17/2015
Resource | Research and Data | Food/Nutrient Analysis Diet Quality of American School Children by NSLP Participation Status: Data from National Health and Nutrition Examination Survey, 2005-2010

This report uses data from the National Health and Nutrition Examination survey to provide a comprehensive picture of the nutrient intakes, food choices, and diet quality of American school children, broken out by participation in the National School Lunch Program and income status.

05/05/2015
Resource | Research and Data | Food/Nutrient Analysis Diet Quality of Young American Children by WIC Participation Status: Data from the National Health and Nutrition Examination Survey, 2005-2008

This report uses data from the National Health and Nutrition Examination Survey to provide a comprehensive picture of the nutrient intakes, food choices, and diet quality of young children who are WIC participants, income-eligible nonparticipants, and higher income participants.

05/05/2015
Resource | Research and Data | Food/Nutrient Analysis Diet Quality of Americans by SNAP Participation Status: Data from the National Health and Nutrition Examination Survey, 2007–2010

This report uses data from the National Health and Nutrition Examination Survey to provide a comprehensive picture of the nutrient intakes, food choices, and diet quality of Supplemental Nutrition Assistance Program participants, compared with income-eligible nonparticipants and higher-income nonparticipants.

05/05/2015
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
Resource | Research and Data | Assessing/Improving Operations Evaluation of Food Retailer Compliance Management Demonstrations in EBT Ready States and Related Initiatives

This study evaluates the Retailer Compliance Management Demonstrations in EBT-ready States. In these demonstrations, the State food stamp agencies in New Mexico (NM) and South Carolina (SC) assumed responsibility for managing the participation of food retailers in the FSP, a task previously managed exclusively by the federal government.

04/01/1997
Page updated: September 16, 2025