Table 2.

Results of the Effects (Odds Ratios) of Covariates on the Tobacco Use Latent Classes

Variable	Cigarette vs. e-cig/hookah	Smokeless vs. e-cig/hookah	Poly-combustible vs. e-cig/hookah	Smokeless vs. cigarette	Poly-combustible vs. cigarette	Poly-combustible vs. smokeless
Demographics
Age	2.07***	1.78***	1.63***	0.86***	0.79***	0.91*
Female	0.76	0.01***	0.16***	0.01***	0.21***	37.52***
African American	3.56***	0.31*	7.00***	0.09***	1.96***	22.56***
Hispanic	1.24	0.17***	0.87	0.14***	0.70***	5.06***
Education	0.87*	0.90	1.03	1.04	1.18***	1.14**
Poverty	1.01	0.65*	1.15	0.64***	1.13	1.78***
Dependency
Addicted to tobacco	2.47***	1.81**	0.95	0.74**	0.39***	0.53***
Crave tobacco	1.01	1.51***	1.07	1.50***	1.06	0.71***
Out of control tobacco use	1.20	1.00	1.21	0.83***	1.01	1.21**
Use tobacco right after waking up	1.14	0.96	1.06	0.85***	0.93*	1.10*
Help feeling down	1.15*	1.07	1.27***	0.94	1.11**	1.18***
Help thinking	0.93	1.03	1.08	1.10*	1.16***	1.05
Hard to stopping using tobacco	1.32*	1.23	1.13	0.93	0.85***	0.92
Irritated when not using tobacco	1.32**	1.36**	1.28*	1.03	0.97	0.94
Feeling discomfort when not using tobacco	0.82	0.81	0.91	0.99	1.12*	1.13*
Quit attempts
Tried to quit completely	0.59**	0.39***	0.48***	0.66***	0.82*	1.23
Tried to quit by cutting back	1.03	0.93	0.82	0.90	0.7*	0.88
Quit withdrawal symptom
Depression	1.39*	0.61*	1.43	0.72*	1.69***	2.34***
Concentration	0.83	1.23	1.42	1.20	1.39*	1.15
Irritation	1.02	1.93***	1.22	0.98	0.62***	0.63*
Anxiety	1.31	1.10	1.22	0.76	0.85	1.11
Restless	0.99	1.25	1.15	1.01	0.93	0.92
Intention to quit
Plan to quit for good	1.47	1.26	0.61	0.86	0.41***	0.48**
Interest in quitting	1.12***	1.03	1.05	0.92***	0.94**	1.03

*p < .05; **p < .01; ***p < .001.