New England Journal Of Medicine: 10.3 Million Uninsured Covered Under Obamacare

More than 10 million uninsured adults obtained health coverage during Obamacare’s first open enrollment period, according to a study published on Wednesday by the New England Journal of Medicine.

The study, which included researchers from Harvard University and the U.S. Department of Health and Human Services, found that the number of uninsured Americans had dropped by 5.2 percentage points by the second quarter of 2014, which corresponds with 10.3 million adults gaining coverage.

The findings track with previous estimates. They also gain found a significant divergence between states that expanded Medicaid under the law and those that did not. The former group’s uninsured rate fell by 6 percentage points among the expansion population; the latter’s by 3.1 percentage points.

The study’s methodology, which can be read in full here, covered survey data from 420,000 adults from January 2012 to June 2014.

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