This report provides a guide to the development and presentation of 2016-2018 NSDUH substate estimates. A summary of the estimation methodology is included as well as sample sizes, response rates, and population estimates. This shapefile includes geographic boundaries of the 2016-2018 NSDUH substate regions along with prevalence rates, map group values, and the upper and lower bounds found in the map legends. It can be used for analysis and data display with Geographic Information Systems (GIS) software.
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