TABLE D-1 General Health Care: Impacts of Health Insurance on Children’s Access and Use of Care


Location and Time Period of Analysis

Data Sources


National Studies

Banthin and Selden (2003)

The ABCs of children’s health care: How the Medicaid expansions affected access, burdens, and coverage between 1987 and 1996

United States, 1987 and 1996

National Medical Expenditure Survey (1987) and MEPS (1996)

D-D approach: change between 1987 and 1996 for poverty-related children less change over same time period for slightly higher-income children: Children made eligible for Medicaid under the poverty-related expansions in the 1980s are the treatment group and children with slightly higher income levels—defined as those in the income groups ultimately made eligible for SCHIP as of 2000—are the primary comparison group; controls included a variety of sociodemographic characteristics, as well as income and health status. Service use refers to previous 12 months.

Currie et al. (2008)

Has public health insurance for older children reduced disparities in access to care and health outcomes?

United States, 1986 to 2005

NHIS (N = 548,789)

Examine impacts of Medicaid/SCHIP eligibility expansions on probability of an ambulatory visit and reported health status using a simulated eligibility indicator to address potential endogenity of eligibility. Medicaid/SCHIP generosity index generated by applying state eligibility rules to a sample of children for each state and year. Control variables include interaction terms and age and year dummies. Look at concurrent and lagged effects. Still potentially biased and concerns about appropriateness of simulated eligibility measure in studies of all kids. Service use refers to previous 12 months.

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