Table 2.

Characteristics of the five latent classes and in the full sample, weighted.

		Class 1	Class 2	Class 3	Class 4	Class 5	Full sample	p value
		LCC and hookah users (4%)	Nonusers open to smoking (3%)	Daily “smokers” (11%)	Nondaily, light “social smokers” (9%)	Nonusers closed to smoking (73%)
		%	%	%	%	%	%
Sociodemographics
Age								0.15
	18–24	46	40	35	46	41	41
	25–34	54	60	65	54	59	59
Gender								<.001
	Male	77	51	53	56	47	50
	Female	23	49	47	44	53	50
Race/ethnicity								0.0001
	White, non-Hispanic	67	40	74	51	59	60
	Black, non-Hispanic	9	20	11	18	13	13
	Other, non-Hispanic	4	8	4	9	8	7
	Hispanic	19	32	12	22	20	20
Education								<0.001
	Less than high school	8	23	23	11	11	13
	High school	23	26	39	32	26	28
	Some college or greater	69	52	38	57	63	59
Response to warning label items
	Have you heard about or seen new warning labels which include graphic pictures?	60	56	54	62	52	54	0.096
	Do you think that new warning labels with graphic pictures would make you think about not smoking?	55	51	36	45	57	53	<0.001
Noncombustible tobacco use, past 30 days
	E-cigarette use	8	0	5	11	0	2	<0.001
	Chewing tobacco use	1	0	2	7	0	1	<0.001
	Dip/snuff use	17	0	3	11	0	2	<0.001
	Snus use	2	0	4	8	0	1	<0.001
	Nicotine product use	0	0	3	8	0	1	<0.001

Source: Legacy Young Adult Cohort Study, Wave 2 (January 2012).