States that expanded Medicaid had a 7.3 % uninsured rate on average in the first quarter of 2016 .
Those that did not expand it had a 14.1 % uninsured rate .
States that expanded Medicaid had a 7.3 % uninsured rate on average in the first quarter of 2016 , while those that did not expand it had a 14.1 % uninsured rate .