US opioid prescribing rates by congressional district

Congressional districts with the highest opioid prescribing rates are predominantly concentrated in the southeastern U.S., with other hotspots in Appalachia and the rural west, according to a new study led by Harvard T.H. Chan School of Public Health. The study, the first to focus on opioid prescribing rates at the congressional district level, could help policy makers at the federal and state level better target intervention and prevention strategies.

The study will be published online July 19, 2018 in American Journal of Public Health.

“It is important for public health research to focus on geographical units such as congressional districts as it allows for elected representatives to be more informed about important issues such as the opioid epidemic. Because a congressional district has a named elected representative, unlike say a county, it brings a certain degree of political accountability when it comes to discussing the opioid epidemic,” said S V Subramanian, professor of population health and geography.

The study found that Alabama’s Fourth Congressional District had 166 opioid prescriptions per 100 people, the highest rate of any district in the nation. Districts in Kentucky, Tennessee, Mississippi, Arkansas, Virginia, and Oklahoma rounded out the top ten areas with the highest prescribing rates. Other high prescribing rates were found in districts located in eastern Arizona, Nevada, northern California, rural Oregon, and rural Washington.

The lowest opioid prescribing rates tended to be concentrated in congressional districts near urban centers, including Washington, D.C., New York, Boston, Atlanta, Los Angeles, and San Francisco. Virginia was the only state that had congressional districts with top- and bottom-ten opioid prescribing rates.

The findings come amid a national opioid epidemic that has claimed tens of thousands of lives. Between 1999 and 2010, prescription opioid-related overdose deaths quadrupled, according to the U.S. Centers for Disease Control and Prevention, and the epidemic was estimated to cost $78.5 billion in 2013—one-third of which was spent on health care and treatment costs. In 2016 overdoses resulted in more than 42,000 deaths, and the following year President Trump officially declared a public health emergency.

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