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New Study Links SNAP to Reduced Risk of Premature Death Among U.S. Adults, Including ‘Deaths of Despair’
A new study published in the journal Health Affairs by researchers from Syracuse University’s Maxwell School of Citizenship and Public Affairs and the University of Kentucky reveals that participation in the national Supplemental Nutrition Assistance Program (SNAP) reduces the risk of premature mortality among U.S. adults.
SNAP is the largest food assistance program in the country, providing $61 billion in nutrition support to more than 40 million Americans and 20 million households. While the program is known to reduce food insecurity, comparatively little evidence provided a clear link between the program and health outcomes. Analyzing restricted access data from the Centers for Disease Control and Prevention’s National Health Interview Survey (NHIS) for the years 1997-2009, linked to data for 1999-2011 from the National Death Index (NDI), the study authors demonstrate a decline in the risk of premature death from all causes among participants by one to two percentage points.
“A major challenge in demonstrating the positive health impact of SNAP is that the same criteria that make a household eligible for participation—such as low income—are associated with poor health outcomes on average,” says study author Colleen Heflin, professor of public administration and international affairs at the Maxwell School and senior research associate in its Center for Policy Research. “By looking at the incidence of premature death, we are able to help fill an important gap in the scientific literature to help policy makers weigh the benefits and costs of food nutrition programs on population health and associated impacts.”
Of particular policy salience, according to the authors, is the well-documented rise in “deaths of despair,” or middle-age mortality from alcohol poisoning, opioid overdose and suicide, as well as an overall decrease in life expectancy starting in 2014. This study is the first to demonstrate a specific link between participation in SNAP and a reduction of .8 percent in risk of death from these causes among adults aged 40-64.
“Our results further demonstrate the benefits of SNAP for the American people, and policies to restrict access to the program could have serious health consequences from higher food insecurity to premature death,” states James P. Ziliak of the University of Kentucky, one of the study’s co-authors.
“The Effect of the Supplemental Nutrition Assistance Program on Mortality” is published in the Nov. 2019 issue of Health Affairs. The study author is Colleen Heflin, senior research associate at the Center for Policy Research and professor of public administration and international affairs at the Maxwell School. Co-authors are James P. Ziliak and Samuel Ingram from the University of Kentucky. Data from the University of Kentucky Center for Poverty Research’s National Welfare Database and the Economic Research Service’s SNAP Policy Database provided state-by-year economic policy data for this study.