Table 3.

Class membership based on past 4 month use compared to past 30 day use

			Classes for past 30 day use
		% past 4 months	Heavy poly-tobacco users	Light poly-tobacco users	LCC/ hookah/ marijuana users	Alcohol users	Abstainers
Classes for past 4 month use	% past 30 days	100.0	9.3	9.7	7.5	7.6	65.9
	Heavy polytobacco users	7.3	53.2	5.7	20.3	3.1	0.1
	Light polytobacco users	17.3	43.4	41.4	2.3	54.0	7.5
	LCC/ hookah/ marijuana users	10.4	3.5	20.7	77.3	13.4	1.9
	Alcohol users	38.9	0.0	32.1	0.0	21.1	51.9
	Abstainers	26.1	0.0	0.0	0.0	8.4	38.6

Note: Column % should total 100.0%, indicating % of proportion of class across each category. For example, 53.2% of Heavy polytobacco users defined by past 30 day use were also categorized as such within the past 4 months, with 43.4% being recategorized as Light polytobacco users and 3.5% being recategorized as LCC/hookah/marijuana users within the past 4 month time frame.