E-cigarette and cannabis use and co-use patterns and dependence trajectories among young adults in the United States.
Pokhrel P; Phillips KT; Phillips MM; Kawamoto CT; Herzog TA · 2026 · Addiction (Abingdon, England)
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Background and aims Co-use of cannabis and e-cigarettes for nicotine is increasing among younger adults in the United States (US). This study aimed to determine (1) the patterns of cannabis and e-cigarette use and co-use over time and (2)…
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Metadata source: Europe PMC · DOI 10.1111/add.70501