ArticlemedRxiv : the preprint server for health sciences2025
Prevalence of Biochemically-Verified Substance Use in Healthy Adolescents Across the United States: Hair Toxicology Results in the ABCD Study.
Article in medRxiv : the preprint server for health sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: To determine correspondence between self-reported substance use and biochemical verification through hair samples and to estimate U.S. prevalence of adolescent substance use. Methods: Data came from the nationwide Adolescent Brain Cognitive Development Study (n=11,868; age 9-10 at Baseline, age 15-16 at Wave 6). Past-3-month substance use was measured annually from 2016 to 2024. Hair samples objectively detected moderate+ substance use in a subsample of participants (n Results: Correspondence between self-report and toxicological data improved with age (ages 11-12=<1%; ages 15-16=45%). Weighted estimates of biochemically verified substance use indicated 7.1% of 15-16 year olds engaged in moderate-to-heavy cannabis use, 0.3% heavily used alcohol, and 4.7% heavily used nicotine. Conclusions: Youth reported substance use patterns demonstrated improved biochemical verification with age. Biochemical verification reflects substantive cannabis and nicotine use by ages 15-16, supporting combining toxicological and self-report data to improve identification of substance use in youth.
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