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Resource | Research and Data | Participation Characteristics Characteristics of SNAP Households: FY 2014

This is the latest in a series of annual reports providing information about the demographic and economic circumstances of households participating in SNAP at both the national and state level. In fiscal year 2014, as in prior years, nearly two-thirds of SNAP participants were children (44 percent), elderly (10 percent), or disabled nonelderly adults (10 percent).

12/21/2015
Resource | Research and Data | Participation Characteristics National and State-Level Estimates of WIC Eligibles and Program Reach 2013

This report offers updated estimates of the number of people eligible for WIC benefits in 2013, including (1) estimates by participant category (including children by single year of age) and coverage rates; (2) updated estimates in U.S. territories; and (3) confidence intervals. The national estimates presented in this report are based on a methodology developed in 2003 by the Committee on National Statistics of the National Research Council (CNSTAT). The report’s State-level estimates use a methodology developed by the Urban Institute that apportions the national figures using data from the American Community Survey.

12/17/2015
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2014

WIC Participant and Program Characteristics 2014 summarizes the demographic characteristics of participants in the Special Supplemental Nutrition Program for Women, Infants, and Children nationwide in April 2014. 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 2014 is the most recent in a series of reports generated from WIC state management information system data biennially since 1992.

11/23/2015
Resource | Research and Data | Benefit Content/Cost WIC Food Package Policy Options II

In 2007, USDA introduced a new set of food packages via an Interim Rule based on recommendations from the Institute of Medicine, which were implemented by October 2009. The contents of the food packages were finalized via a Final Rule in 2014. The Final Rule clarified some provisions in the Interim Rule and allowed some additional options and substitutions.

10/29/2015
Resource | Research and Data | National Academy of Sciences/IOM Review of WIC Food Packages: An Evaluation of White Potatoes in the Cash Value Voucher: Letter Report

At the request of the U.S. Department of Agriculture, an expert Institute of Medicine (IOM) committee is undertaking a comprehensive review of the food packages used in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) to bring the program into alignment with current dietary guidelines. In this letter report, the first of three reports to result from this review, the IOM committee evaluates the 2009 regulation that excluded white potatoes from purchase with the WIC cash value voucher (CVV) and considers whether white potatoes should henceforth be allowed as a WIC-eligible vegetable in the CVV.

06/04/2015
Resource | Research Plans Analyses of the Contributing Factors Associated With Foodborne Outbreaks in School Settings (2000–2010)

The purpose of the authors’ study was to examine the role of contributing factors in school foodborne outbreaks. Contamination factors accounted for the greatest proportion (49.2%) of outbreaks involving some level of food handling interaction by a school food service worker, followed by proliferation (34.9%) and survival factors (15.9%). Over 56% of all illnesses were associated with norovirus and food service worker practices.

03/01/2015
Resource | Research and Data | Participation Characteristics National and State-Level Estimates of WIC Eligibles and Program Reach 2012

This report offers updated estimates of the number of people eligible for WIC benefits in 2012, including (1) estimates by participant category (including children by single year of age) and coverage rates; (2) updated estimates in U.S. territories; and (3) confidence intervals. The national estimates presented in this report are based on a methodology developed in 2003 by the Committee on National Statistics of the National Research Council (CNSTAT). The report’s State-level estimates use a methodology developed by the Urban Institute that apportions the national figures using data from the American Community Survey.

01/26/2015
Resource | Research and Data | Participation Characteristics The Characteristics of Native American WIC Participants, On and Off Reservations

This report describes Native American participation in WIC based on data collected by the biennial WIC Participant and Program Characteristics Studies in 1992, 1994, 1996, and 1998. The report presents information on the geographic distribution, demographic characteristics, health status, and public health concerns of low-income Native American women, infants, and children participating in the WIC program on and off reservations; describes Native American Tribes and the role of tribal governments in administering WIC programs; compares the characteristics of Native American WIC enrollees with all WIC enrollees; and examines the health status of Native American WIC enrollees.

09/10/2002
Resource | Research and Data | Assessing/Improving Operations WIC Participant and Program Characteristics 2000

WIC seeks to improve fetal development and reduce the incidence of low birthweight, short gestation, and anemia through intervention during the prenatal period. This publication is the seventh report in the series of studies on WIC participants and program characteristics.

07/01/2002
Resource | Research and Data | Participation Characteristics Adolescent WIC Participants Study

This study was designed to describe the characteristics of adolescent women in WIC, as well as to identify their special needs, such as nutrition education, referral to other agencies, and their satisfaction with the services they received. 

05/28/2002
Page updated: September 16, 2025