(HealthDay News) — In the first nine months of 2013, 6.7% of children and 20.5% of adults were uninsured, according to a study published online March 27 by the National Center for Health Statistics (NCHS).

Michael E. Martinez, MPH, and Robin A. Cohen, PhD, from the NCHS in Hyattsville, MD used data from the 2013 National Health Interview Survey to estimate health insurance coverage for the civilian oninstitutionalized U.S. population. Data were obtained for January to September 2013 for 77,953 persons.

The researchers found that, at the time of interview, 14.5%t of people (45.0 million) were uninsured, 18% had been uninsured for at least part of the previous year, and 10.8% had been uninsured for more than a year. Among children >18 years of age, at the time of the interview, 6.7% were uninsured, 41.7% had public health plan coverage, and 52.8% had private health insurance coverage. The corresponding figures for those aged 18–64 years were 20.5, 16.5, and 64.4%. The percentage of children aged 0–17 years who were uninsured at the time of interview decreased from 13.9% in 1997 to 6.7% in 2013.

“Children aged 0–17 and adults aged 18–64 in states moving forward with Medicaid expansion were less likely to be uninsured than children and adults in states not moving forward expansion,” the authors write.

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