Fig 1.
An event study test of the parallel trends assumption.
+p<0.10 Differences in SNAP participation shown for Medicaid expansion status versus non-expansion states, relative to expansion year. Ninety-five-percent confidence intervals shown. Data source is the Current Population Survey ASEC, 2011–2020 (reporting periods 2010–2019).
Fig 2.
National trend in SNAP participation.
Data source is the Current Population Survey ASEC, 2011–2020 (reporting periods 2010–2019). All 50 states and DC are included.
Table 1.
ACA Medicaid expansion effects on SNAP receipt by household composition.
Table 2.
ACA Medicaid expansion effects on SNAP receipt by household income and composition.
Table 3.
ACA Medicaid expansion effects on SNAP benefit amount and characteristics of participating households.
Fig 3.
SNAP receipt patterns relative to Medicaid expansion month.
Data source is the Current Population Survey December Supplement, 2014–2016. Includes only individuals reporting SNAP receipt in state-years with non-January Medicaid expansions (IN, MI, NH, LA, AK).