• D-D = difference-in-difference

  • IR = incidence ratio

  • MEPS = Medical Expenditure Panel Survey

  • NHANES = National Health and Nutrition Examination Survey

  • NHIS = National Health Interview Survey

  • NSAF = National Survey of America’s Families

  • NSCH = National Survey of Children’s Health

  • OLS = ordinary least squares

  • Rx = prescription

  • SCHIP = State Children’s Health Insurance Program

Changes are statistically significant unless otherwise noted as “not significant” (“NS”). N/A indicates that the study in question did not examine the specified outcome.



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