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. Author manuscript; available in PMC: 2020 Jul 15.
Published in final edited form as: Addiction. 2020 Feb 5;115(4):740–747. doi: 10.1111/add.14828

Table 6.

Predictors of transitions across latent classes of tobacco product use from Wave 1 to Wave 2 (unweighted N=11913)

Transition to Class 2 (Ever Users of
Cigarettes and E-cigarettes) vs.
Staying in Class 1 (Nonusers)
Transition to Class 3 (Current
Polytobacco Users) vs. Staying in
Class 1 (Nonusers)
Transition to Class 3 (Current Polytobacco
Users) vs. Staying in Class 2 (Ever Users of
Cigarettes and E-cigarettes)
 
OR 95% CI P OR 95% CI P OR 95% CI P
Age 15 to 17 (vs. 12 to 14) 2.99 (2.10, 4.25) <0.001 3.42 (0.71, 16.54) 0.126 4.89 (1.65, 14.55) 0.004
Female (vs. male) 1.05 (0.78, 1.43) 0.730 0.39 (0.07, 2.26) 0.295 0.35 (0.18, 0.72) 0.004
Non-white (vs. non-Hispanic white)* 0.47 (0.31, 0.69) <0.001 1.75 (0.27, 11.28) 0.555 0.31 (0.16, 0.62) 0.001
More than high school parent education (vs. high school or less parent education) 0.56 (0.37, 0.86) 0.008 1.57 (0.21, 11.84) 0.660 0.87 (0.44, 1.75) 0.706

Note:

*

Non-white includes Hispanic, non-Hispanic Blacks and others. These results were obtained from multinomial logistic regressions within an LTA model with covariates fit in Step 3 of the 3-step LTA process. N=11913 due to missing data on parent education.