Map of counties included in the Medicaid expansion analysis. County color indicates the cutoff for Medicaid eligibility, as a multiplier on the federal poverty level (FPL): non-expansion (white), 100% (yellow), 138% (orange), 200% (red), 215% (dark red, District of Columbia only). Counties shaded gray do not border a state with a different Medicaid expansion policy, and were omitted from the analysis.