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After passage of the Affordable Care Act (ACA) in 2010, all states were required to expand their Medicaid programs to include people with incomes higher than traditionally allowed, in addition to groups that previously had not been covered childless adults, for example. The expectation was that Medicaid expansion would significantly reduce the number of Americans without health insurance. The ACA also would provide access to mental health care because states were required to include such coverage in their Medicaid programs.
But in 2012, the U.S. Supreme Court ruled that states did not have to expand Medicaid if they chose not to. Today, 39 states have approved Medicaid expansion. The rest do not.
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Deaths by suicide have increased steadily in the U.S. since 1999 with an average annual increase of about 1% from 1999 to 2006, followed by a 2% per year increase from 2006 through 2018.
The researchers tracked suicide rates in all 50 states and Washington, DC, from 2000 through 2018, during which 553,912 people reportedly died by suicide. Although the ACA was passed in 2010, states were not able to expand Medicaid eligibility until 2014, so the researchers homed in on the post-expansion years of 2015 through 2018.
They had hypothesized that better access to mental health care would come as a result of expanded Medicaid eligibility, making it possible for more people to get help when needed. That, in turn, might prevent some suicides.
The study’s joint first authors are Hetal Patel, MD, and Justin Barnes, MD, resident physicians in Washington University’s Department of Psychiatry and Department of Radiation Oncology. Working with Bierut and other colleagues, they conducted an analysis to track changes in the rate of suicides in states before and after expansion and compared those numbers to the rates in states that did not increase access to the insurance program.
From 2011 through 2013, the incidence of suicide in states that eventually expanded Medicaid was 13.94 per 100,000 people. In states that did not go on to expand Medicaid, the rate was 16.67 per 100,000. After 2014, the number rose by 2.5 suicides per 100,000 people in Medicaid expansion states. In states that did not expand access, the increase was even greater, 3.1 per 100,000, a statistically significant difference.
The data indicate that there were 0.4 fewer suicides per 100,000 people in Medicaid expansion states from 2014 through 2018, and as a result, the researchers estimated that 1,818 suicides were averted.
“Increased access to health care, including mental health care, helped to prevent hundreds of suicide deaths,” Patel said.
Added Bierut, “With the differences we see in these suicide rates, we think there must actually be significantly more treatment, as well as subsequent improvements, in mental health in the states with expanded Medicaid.”
Source: Eurekalert
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