The Blue Cross Blue Shield Association analysis of medical claims data showed that the overall rate of major depression was 4.4 percent and that diagnosis rates rose 33 percent between 2013 and 2016. Those rates increased 63 percent among teens and 47 percent among millennials.
Diagnosis rates in 2016 varied by as much as 300 percent between states, from a high of 6.4 percent in Rhode Island to lows of 2.1 percent in Hawaii and 3.2 percent in Nevada.
Diagnosis rates differed by as much or more than 400 percent among cities, from a high of 6.8 percent in Topeka, Kan., to lows of 1.5 percent in Laredo, Texas, and 2 percent in McAllen/Edinburg/Mission, Texas.
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