Table 4. Baseline predictors of current smoking and alternative tobacco product use at follow-up over a one-year period.

	Current smoking						Alternative tobacco use
	All participants			Baseline nondaily smokers*			All participants
Variable	OR	CI	p	OR	CI	p	OR	CI	p
Age	1.05	0.95, 1.16	.38	0.99	0.82, 1.20	.91	0.92	0.83, 1.01	.07
Gender
Male	Ref	–	–	Ref	–	–	Ref	–	–
Female	0.98	0.53, 1.80	.94	1.16	0.34, 3.96	.82	0.52	0.32, 0. 83	.007
Race/ethnicity
White	Ref	–	–	Ref	–	–	Ref	–	–
Minority	0.40	0.20, 0.81	.001	0.37	0.10, 1.43	.15	1.60	0.98, 2.59	.06
Number of days smoking	1.15	1.11, 1.20	<.001	1.12	1.03, 1.21	.008	1.03	1.01, 1.05	.04
Alternative tobacco use	3.17	1.77, 5.67	<.001	1.81	0.61, 5.37	.29	5.63	3.50, 9.03	<.001
Number of days alcohol use	1.04	0.99, 1.10	.11	0.96	0.88, 1.04	.32	1.07	1.03, 1.12	.003
Marijuana use	1.82	0.99, 3.39	.06	0.84	0.33, 2.78	.93	1.63	0.96, 0.78	.07
Classifying a Smoker Scale	0.98	0.97, 1.00	.07	0.97	0.94, 1.00	.06	0.99	0.98, 1.01	.71
Harm of occasional smoking	0.53	0.31, 0.89	.02	0.76	0.28, 2.08	.60	–	–	–
Harm of smokeless tobacco	–	–	–	–	–	–	0.70	0.46, 1.01	.06
Harm of cigar products	–	–	–	–	–	–	0.81	0.62, 1.02	.08

Notes: Nagelkerke R² = 0.518; Nagelkerke R² = 0.235; Nagelkerke R² = 0.278 respectively.

^*N = 108.