Generosity and Duration of Medicaid Expansion Waivers and Access to Care

Publication date: Available online 14 September 2018

Source: American Journal of Preventive Medicine

Author(s): Wafa W. Tarazi, Cathy J. Bradley, David W. Harless, Harry D. Bear, Lindsay M. Sabik

Introduction

Prior to expansion of Medicaid under the Affordable Care Act, some states obtained Section 1115 waivers from the federal government that allowed them to expand eligibility for Medicaid to adult populations that were not covered previously. Expansion waivers in these states differed in their generosity and year of implementation, creating variation in coverage availability and program longevity across states. This study examined the association between generosity and duration of Medicaid expansion waivers and access to preventive services.

Methods

The 2012 Medical Expenditure Panel Survey data were used to estimate adjusted logistic models in 2016, comparing outcomes among low-income non-elderly adults living in generous (Medicaid eligibility threshold ≥138% federal poverty level) and moderate (Medicaid eligibility threshold <138% federal poverty level) waiver states, relative to no-waiver states.

Results

Moderate and generous waivers were associated with statistically significant (p<0.001) increases in probabilities of having a usual source of care and a blood pressure check, relative to states without a waiver to expand. Low-income individuals living in states with longer waiver durations had better access to healthcare services than a similar group living in comparison states.

Conclusions

Not only is Medicaid waiver generosity associated with improving access to healthcare services, but the combination of generosity and longer duration of a waiver also intensifies the association. As states gain flexibility in designing their Medicaid programs, the healthcare benefits associated with both generosity and duration of waivers are important considerations for policy makers.

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