Dataset Information

The effect of Medicaid expansions on demand for care from the Veterans Health Administration.

ABSTRACT:

Background

Adequate access to care at Veterans Health Administration (VA) medical centers has become a high-profile policy issue. The Affordable Care Act (ACA) could improve access to care for veterans, particularly if its Medicaid expansion is implemented in all states. The relationship between Medicaid expansion on the one hand and VA enrollment and utilization on the other has not previously been explored for all states.

Methods

Using VA and other public data from 2002 to 2008, we calculated a measure of Medicaid eligibility sensitive to state-year varying policy change but not changes in demographics or economic conditions. Next, controlling for potential confounding factors, we estimated fixed effects Poisson models of VA enrollment and inpatient and outpatient utilization. We then used these estimates to simulate the effect of the ACA׳s Medicaid expansion on demand for VA care.

Results

If the ACA׳s Medicaid expansion had been implemented in all states, enrollment for VA health coverage, acute inpatient care (days), and outpatient visits would have been 9%, 6%, and 12% lower, respectively. In states that did not expand Medicaid in 2014, VA enrollment, inpatient days, and outpatient visits were, respectively, 10, 6, and 13 percentage points higher than they would have been otherwise.

Conclusion

VA medical centers in states that did not expand Medicaid in 2014 are likely to have experienced a higher demand, and commensurately longer wait times. As policymakers continue to address VA capacity issues, they should be mindful of the potential role of Medicaid, and that it will change over time as more states adopt the expansion.

SUBMITTER: Frakt AB

PROVIDER: S-EPMC8273787 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundSeveral states expanded Medicaid under the Affordable Care Act using Section 1115 waivers to implement healthy behavior incentive (HBI) programs, but the impact of this type of expansion relative to traditional expansion is not well understood.ObjectiveTo examine whether Medicaid expansion with healthy behavior incentive programs and traditional Medicaid expansion were associated with differential changes in coverage, access, and self-rated health outcomes among low-income adults.DesignDifference-in-differences analysis of American Community Survey and Behavioral Risk Factor Surveillance System data from 2011 to 2017.ParticipantsLow-income adults ages 19-64 in the Midwest Census region (American Community Survey, n = 665,653; Behavioral Risk Factor Surveillance System, n = 71,959).InterventionsExposure to either HBI waiver or traditional Medicaid expansion in the state of residence.Main measuresCoverage: Medicaid, private, or any health insurance coverage; access: routine checkup, personal doctor, delaying care due to cost; health: cancer screening, preventive care, healthy behaviors, self-reported health.Key resultsHealthy behavior incentive (HBI) and traditional expansion (TE) states experienced reductions in uninsurance (- 5.6 [- 7.5, - 3.7] and - 6.2 [- 8.1, - 4.4] percentage points, respectively) and gains in Medicaid (HBI, + 7.6 [2.4, 12.8]; TE, + 9.7 [5.9, 13.4] percentage points) relative to non-expansion states. Both expansion types were associated with increases in rates of having a personal doctor (HBI, + 3.8 [2.0, 5.6]; TE, + 5.9 [2.2, 9.6] percentage points) and mammography (HBI, + 5.6 [0.6, 10.6]; TE, + 7.3 [0.7, 13.9] percentage points). Meanwhile, checkups increased more in HBI than in TE states (p < 0.01), but no other changes in health care services differed between expansion types.ConclusionsMedicaid expansion was associated with improvements in coverage and access to care with few differences between expansion types.