Income Support Policy Packages and Birth Outcomes in U.S. States: An Ecological Analysis

Megan M. Reynolds () and Patricia A. Homan
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Megan M. Reynolds: University of Utah
Patricia A. Homan: Florida State University

Population Research and Policy Review, 2023, vol. 42, issue 4, No 23, 24 pages

Abstract: Abstract Research suggests that generous social welfare programs play a role in maternal and child health. However, most studies examine a single policy in isolation. Drawing from research documenting low-income families ‘packaging’ of social policies, we create a novel measure summarizing the value of a collection of income support policies for the working poor. This collection includes: the Supplemental Nutrition Assistance Program (SNAP), the Earned Income Tax Credit (EITC), the minimum wage, and the unemployment insurance (UI) program. Using U.S. state-level administrative data from 1996 to 2014, we estimate fixed effects regression models to examine the relationship between birth outcomes and income support policies (individually and combined). We find that increases in the combined value of the four income supports are significantly associated with reductions in preterm births and low birthweight births, but not infant mortality rates. States with the highest observed levels of combined income support had 14% fewer PTBs and 7% fewer LBWs than states with the lowest levels of income support. Of the four individual income support policies, only unemployment insurance has no significant independent effects. SNAP benefits have the largest and most consistent effects, reducing poor birth outcomes across all three indicators. An annual increase of $1000 in SNAP benefits is associated with a 3% decline in infant deaths, 5% decline in preterm births, and 2% decline in low birthweight births. These results suggest that increasing the generosity of income support policies may be a promising strategy for improving birth outcomes in the United States.

Keywords: Income supports; Birth outcomes; Working poor; Fixed effects; Policy packaging (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s11113-023-09797-9

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