What differentiates youths who use e-cigarettes from those who smoke traditional tobacco products?

HIGHLIGHTS

• who: Hugo Torregrossa from the Associations between each group of tobacco-related products use and covariates was estimated using a mixed-effects multinomial model with a random effect, accounting for sampling and imputation uncertaintyThe choice of a mixed effect regression model was justified by the clustered sampling design [35, ]. Indeed, we wanted to take into account a random-effect, the classroom defining the cluster, because we assumed that there is a variability between classrooms. In order to take into account the first initiated tobacco-related product notified only among smokers, we conducted two separate analyses: the first . . .
  

   

  

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