Figure 1.

Probability plot from latent class analysis of 14 e-cigarette and tobacco marketing exposures in the past 30 days among middle school students in 2018 (n=1,134)

Abbreviations: cigenv1=cigarettes in stores/billboards near home; ecigenv1=e-cigarettes in stores/billboards near home; cigenv2=cigarettes in stores/billboards near school; ecigenv2=e-cigarettes in stores/billboards near school; cigint1=cigarettes online or social media; ecigint1=e-cigarettes online or social media; cigint2=social media posts about cigarettes; ecigint2=social media posts about e-cigarettes; cigtv=cigarettes on television; ecigtv=e-cigarettes on television; cigmag=cigarettes in a magazine; ecigmag=e-cigarettes in a magazine; cigceleb=cigarette smoking among celebrities; ecigceleb=e-cigarette vaping among celebrities