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In June 2018 Arkansas became the first US state to implement work requirements in Medicaid, requiring adults ages 30-49 to work twenty hours a week, participate in "community engagement" activities, or qualify for an exemption to maintain coverage. By April 2019, when a federal judge put the policy on hold, 18,000 adults had already lost coverage. We analyze the policy's effects before and after these events, using a telephone survey performed in late 2019 of 2,706 low-income adults in Arkansas and three control states compared with data from 2016 and 2018. We have four main findings. First, most of the Medicaid coverage losses in 2018 were reversed in 2019 after the court order. Second, work requirements did not increase employment over eighteen months of follow-up. Third, people in Arkansas ages 30-49 who had lost Medicaid in the prior year experienced adverse consequences: 50 percent reported serious problems paying off medical debt, 56 percent delayed care because of cost, and 64 percent delayed taking medications because of cost. These rates were significantly higher than among Arkansans who remained in Medicaid all year. Finally, awareness of the work requirements remained poor, with more than 70 percent of Arkansans unsure whether the policy was in effect. [ABSTRACT FROM AUTHOR]

Under the Affordable Care Act, thirty states and the District of Columbia have expanded eligibility for Medicaid, with several states using Medicaid funds to purchase private insurance (the "private option"). Despite vigorous debate over the use of private insurance versus traditional Medicaid to provide coverage to low-income adults, there is little evidence on the relative merits of the two approaches. We compared the first-year impacts of traditional Medicaid expansion in Kentucky, the private option in Arkansas, and nonexpansion in Texas by conducting a telephone survey of two distinct waves of low-income adults (5,665 altogether) in those three states in November-December 2013 and twelve months later. Using a difference-in-differences analysis, we found that the uninsurance rate declined by 14 percentage points in the two expansion states, compared to the nonexpansion state. In the expansion states, again compared to the nonexpansion state, skipping medications because of cost and trouble paying medical bills declined significantly, and the share of individuals with chronic conditions who obtained regular care increased. Other than coverage type and trouble paying medical bills (which decreased more in Kentucky than in Arkansas), there were no significant differences between Kentucky's traditional Medicaid expansion and Arkansas's private option, which suggests that both approaches improved access among low-income adults. [ABSTRACT FROM AUTHOR]