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Deleterious effects of substance use and delinquency include alcohol-related impairment of adolescent brain maturation (NEJM JW Psychiatry Jan 2018 and Am J Psychiatry 2017 Oct 31; [e-pub]) and marring of educational and employment prospects by school or legal infractions. Thus, it is important to learn about changes in prevalence and potential explanations for trends.
Annual surveys conducted by the Substance Abuse and Mental Health Services Administration randomly sampled different populations of 12- to 17-year-olds residing in household and group settings from 2003 to 2014. Approximately 13,000 individuals each year were interviewed via computer-assisted technology (participation rates, 80%–87%). Surveyed substance use included alcohol, n…