Trajectories of lifetime vaping in teens and young adults: latent transition analyses over one year

Abstract Background: Despite the bidirectional relationship between initiation of cannabis and nicotine vaping, little is known about the patterns of vaping experimentation and progression among young people. The goal of this study was to describe the progression of vaping over one year in a longitudinal sample of teens and young adults. Methods: 432 Vermont teens and young adults (ages 12–25) completed four items on lifetime occasions of vaping nicotine, cannabis, just flavoring, and cannabidiol at three timepoints between 2020 and