The impact of aging out of WIC on food security in households with children |
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| Institution: | 1. Truman School of Public Affairs, University of Missouri, 229 Middlebush Hall, Columbia, MO 65211, United States;2. Truman School of Public Affairs, University of Missouri, 216 Middlebush Hall, Columbia, MO 65211, United States;3. Nutrition and Exercise Physiology, University of Missouri, 312 Gwynn Hall, Columbia, MO 65211, United States;1. Department of Nutrition, The University of Tennessee, Knoxville, TN;2. Department of Public Health, The University of Tennessee, Knoxville, TN;1. School of Community and Environmental Health, Old Dominion University, Norfolk, VA;2. Healthcare Analytics and Delivery Science Institute, Eastern Virginia Medical School, Norfolk, VA;3. US Department of Agriculture/Economic Research Service, Washington, DC;1. Department of Kinesiology and Community Health, College of Applied Health Sciences, University of Illinois at Urbana-Champaign, Champaign, IL;2. Outcomes Research Network, NorthShore University HealthSystem, Evanston, IL;3. Division of Epidemiology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN;4. Division of Epidemiology and Biostatistics, School of Public Health, University of Illinois at Chicago, Chicago, IL;5. Illinois Department of Human Services, Springfield, IL;6. Institute for Health Research and Policy, University of Illinois at Chicago, Chicago, IL;7. Department of Kinesiology and Nutrition, College of Applied Health Sciences, University of Illinois at Chicago, Chicago, IL |
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| Abstract: | Correlational research suggests that disadvantaged families with young children who are food insecure often participate in the Women Infants and Children program (WIC). While there has been a considerable amount of research on the association between WIC participation and food insecurity, these studies have reported mixed findings and do not explore the effects of WIC at a critical age, when children turn five years old. This paper estimates the effects of aging out of WIC on rates of household food insecurity using the exogenous rule that children are eligible for the WIC program until the day before they turn 61 months old. Using a regression discontinuity design and the Early Childhood Longitudinal Study Birth-cohort dataset, we find that there is an increase in rates of food insecurity for children who become age-ineligible for WIC (i.e., reach 61 months of age) and who have not yet started kindergarten. Furthermore, this effect is robust under different models, bandwidths and analytic samples. |
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