Table 4.

Results from multinomial model estimates of the relationship between higher levels of W1 TD and the odds of W1 current users being classified within each W2 product use category relative to the same level of use as W1.

Product	Product Status	N	%	SE	Estimate	SE	t	P
Cigarette Only
	No Change	4553	65.0%	0.6 %	-	-	-	-
	Adding	1786	24.1 %	0.6 %	0.09	0.03	3.11	0.00
	Switching	222	7.7 %	0.4 %	−0.39	0.08	−4.57	0.00
	Quit	505	3.1 %	0.2 %	−0.79	0.07	−10.78	0.00
E-Cigarette Only
	No Change	178	49.7%	2.5 %	-	-	-	-
	Adding	79	21.9 %	2.0 %	0.22	0.16	1.40	0.16
	Switching	50	15.3 %	2.2 %	0.10	0.19	0.52	0.61
	Quit	58	13.1 %	1.7 %	−0.27	0.30	−0.90	0.37
Cigar Only
	No Change	179	36.1%	2.4 %	-	-	-	-
	Adding	152	25.0%	2.0 %	0.66	0.14	4.65	0.00
	Switching	108	22.9 %	2.2 %	0.56	0.15	3.75	0.00
	Quit	145	16.0%	1.8 %	0.30	0.19	1.63	0.10
Hookah Only
	No Change	102	27.3%	2.7 %	-	-	-	-
	Adding	84	23.7%	2.9 %	0.16	0.16	0.97	0.33
	Switching	74	29.5 %	2.5 %	0.00	0.25	−0.02	0.98
	Quit	106	19.5 %	2.1 %	0.12	0.18	0.68	0.49
Smokeless Only
	No Change	484	64.5%	1.8 %	-	-	-	-
	Adding	169	19.4%	1.5 %	−0.10	0.12	−0.82	0.41
	Switching	41	11.4 %	1.4 %	−0.53	0.26	−2.05	0.04
	Quit	78	4.8%	0.7 %	−0.32	0.17	−1.87	0.06

Note: Sample sizes are unweighted. Weighted estimates adjusted for gender, age, and racial/ethnic group. Weighted estimates of W1 TD are scaled within each user group to reflect increases in standard deviations.