Table 3.
Estimated ELE Effects on Medicaid/CHIP and Medicaid Enrollment among Children: Alternative Specifications, 2007–2011 Quarterly SEDS Data
| Dependent Variable (Log Transformed) |
||
|---|---|---|
| Medicaid/CHIP Enrollment | Medicaid Enrollment Only | |
| Main regression model | 0.0420* (0.024) | 0.0562** (0.026) |
| Alternative specification of control variables | ||
| (1) State and quarter fixed effects only (unadjusted model) | 0.0349 (0.028) | 0.0406 (0.025) |
| (2) Unadjusted model + policy variables | 0.0471* (0.024) | 0.0587** (0.026) |
| (3) Unadjusted model + unemp rate and child population | 0.0346 (0.028) | 0.0401 (0.025) |
| (4) Policy index instead of dummy variables | 0.0478* (0.0280) | 0.0518** (0.025) |
| Alternative specification of comparsion states | ||
| (5) Include all 41 non-ELE states as comparison states | 0.0335 (0.022) | 0.0422 (0.026) |
| (6) 10% significance threshold for dropping comparison state | 0.0360 (0.022) | 0.0595** (0.026) |
| (7) 1% significance threshold for dropping comparison state | 0.0377 (0.024) | 0.0565** (0.025) |
| (8) Excluding states based on joint test | 0.0244 (0.026) | 0.0551* (0.029) |
| (9) Excluding outlier comparison states | 0.0425** (0.020) | 0.0726*** (0.023) |
| (10) Excluding top 5 and bottom 5 comparison states in terms of ELE effect | 0.0364* (0.020) | 0.0552** (0.024) |
| (11) Excluding top 10 and bottom 10 comparison states in terms of ELE effect | 0.0277 (0.018) | 0.0506* (0.025) |
| Alternative specification of ELE implementation dates | ||
| (12) Alternative implementation date: Alabama | 0.0438* (0.024) | 0.0580** (0.026) |
| (13) Alternative implementation date: Maryland | 0.0328 (0.021) | 0.0495** (0.024) |
| (14) Alternative implementation date: Louisiana | 0.0417* (0.010) | 0.0545** (0.007) |
Note. Robust standard errors clustered at the state level are in parentheses. 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.