The Effects of Express Lane Eligibility on Medicaid and CHIP Enrollment among Children
Version of Record online: 30 JAN 2014
© Health Research and Educational Trust
Health Services Research
Volume 49, Issue 4, pages 1268–1289, August 2014
How to Cite
Blavin, F., Kenney, G. M. and Huntress, M. (2014), The Effects of Express Lane Eligibility on Medicaid and CHIP Enrollment among Children. Health Services Research, 49: 1268–1289. doi: 10.1111/1475-6773.12157
- Issue online: 23 JUL 2014
- Version of Record online: 30 JAN 2014
- Assistant Secretary for Planning and Evaluation
- Department of Health and Human Services
- Evaluation design and research;
- health economics;
- program evaluation;
- state health policies;
- Express Lane Eligiblity, Medicaid
To estimate the impact of Express Lane Eligible (ELE) implementation on Medicaid/CHIP enrollment in eight states.
Data Sources/Study Setting
2007 to 2011 data from the Statistical Enrollment Data System (SEDS) on Medicaid/CHIP enrollment.
We estimate difference-in-difference equations, with quarter and state fixed effects. The key independent variable is an indicator for whether the state had ELE in place in the given quarter, allowing the experience of statistically matched non-ELE states to serve as a formal counterfactual against which to assess the changes in the eight ELE states. The model also controls for time-varying economic and policy factors within each state.
Data Collection/Extraction Methods
We obtained SEDS enrollment data from CMS.
Across model specifications, the ELE effects on Medicaid enrollment among children were consistently positive, ranging between 4.0 and 7.3 percent, with most estimates statistically significant at the 5 percent level. We also find that ELE increased combined Medicaid/CHIP enrollment.
Our results imply that ELE has been an effective way for states to increase enrollment and retention among children eligible for Medicaid/CHIP. These results also imply that ELE-like policies could improve take-up of subsidized coverage under the ACA.