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Health insurance coverage through the Marketplaces increased in 2015, with more nonelderly adult enrollees insured all year and fewer reporting health care affordability problems than in 2014. In 2015 more Marketplace enrollees in Medicaid nonexpansion states reported trouble paying family medical bills, compared to those in expansion states (23 percent versus 15 percent).
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McMorrow et al. (2016) studied this question.
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