Risk of Persistence and Progression of Use of 5 Cannabis Products After Experimentation Among Adolescents
Abstract Question: After experimentation in adolescence, do risks of progression and persistence of cannabis use during a 12-month follow-up period differ among 5 cannabis products? Findings: In this cohort study of 2685 adolescents with no history of heavy cannabis use, after accounting for polyuse of multiple products, the association of baseline experimental use with persistent use and progression of use of that product during a 12-month follow-up period was significantly stronger for cannabis concentrate than for other cannabis products. Meaning:
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