Table 2.

Results from Main Multivariate Regression Models: Estimated Effects on Medicaid/CHIP and Medicaid Enrollment among Children, 2007–2011 Quarterly SEDS Data

	Dependent Variable (Log Transformed)
	Total Medicaid/CHIP Enrollment	Medicaid Enrollment Only
Express lane eligibility	0.0420* (0.024)	0.0562** (0.026)
Unemployment rate	0.0067 (0.006)	0.0055 (0.006)
Log (child population)	0.8550** (0.381)	1.209*** (0.414)
Separate CHIP	0.0120 (0.023)	−0.0104 (0.017)
Simulated eligibility threshold for children	0.0003 (0.001)	0.0005 (0.001)
Simulated eligibility threshold for parents	−0.0024 (0.002)	−0.0037 (0.002)
Joint application	−0.0331 (0.027)	−0.0279 (0.027)
Presumptive eligibility-Medicaid	0.0589 (0.042)	0.0192 (0.026)
Admin. verification of income-Medicaid	0.0222 (0.050)	0.0635*** (0.023)
No in-person interviews-Medicaid	0.0390 (0.061)	0.0254 (0.042)
Continuous eligibility-Medicaid	0.0443 (0.049)	0.0375 (0.028)
Presumptive eligibility-CHIP	−0.0153 (0.044)	N/A
Admin. verification of income-CHIP	−0.0108 (0.053)	N/A
No in-person interviews-CHIP	0.0281 (0.052)	N/A
No asset test-CHIP	0.0273 (0.061)	N/A
Continuous eligibility-CHIP	0.0120 (0.051)	N/A
Constant	1.005 (5.295)	−3.995 (5.776)
R-squared	0.99	0.99
Sample size	660	820

Note. Robust standard errors clustered at the state level are in parentheses. All models include state and quarter fixed effects (coefficients not shown). Total enrollment includes children who were ever enrolled in Medicaid or CHIP during the fiscal quarter. Medicaid enrollment only includes children who were ever enrolled in Title XIX or TItle XXI Medicaid during the fiscal quarter.

^*p < .1,

^**p < .05,

^***p < .01.

Source: CMS Statistical Enrollment Data System (SEDS) as of March 30, 2012, verified and provided by CMS.