Table 7.

Latent class model with 3 classes: Vapers, smokers, and dual users

Sample:	Class 1	Class 2	Class 3
Utility function (taste) parameters	(Vapers)	(Smokers)	(Dual users)
ASC: disposable e-cigarette	1.24*** (0.19)	−6.22** (2.35)	−1.31*** (0.20)
ASC: rechargeable e-cigarette	2.13*** (0.21)	−5.51*** (0.62)	−0.38 (0.27)
Use of product is permitted in public places	0.19*** (0.05)	1.17 (1.15)	0.18* (0.07)
Product considered to be healthier than tobacco cigarette	0.34*** (0.05)	1.25 (1.26)	0.14* (0.07)
Product is effective for smoking cessation	0.37*** (0.05)	0.66 (0.43)	0.36*** (0.07)
Marginal price	−0.02* (0.01)	−0.11*** (0.03)	−0.07*** (0.01)
Kit price	−0.01*** (0.002)	−0.03 (0.05)	−0.02*** (0.003)
Probability of class membership parameter estimates
Male	−0.02 (0.16)	0.02 (0.14)	-
18–30 years	0.10 (0.18)	−0.99*** (0.20)	-
Some college	−0.04 (0.17)	−0.28 (0.15)	-
Household income <$30,000	−0.33 (0.18)	0.10 (0.17)	-
Heavy tobacco cigarette smoker†	−0.51 (0.27)	0.05 (0.20)	-
Addicted tobacco cigarette smoker††	0.06 (0.20)	0.22 (0.19)	-
Plan to quit within 1 month	0.57** (0.17)	−0.86*** (0.17)	-
Live in high price tobacco cigarette state†††	−0.18 (0.28)	−0.66* (0.27)	-
Constant	−0.06 (0.20)	0.99*** (0.17)	-
Class shares	0.27	0.46	0.27
N		1,669

Notes: Dependent variable is an alternative choice. Standard errors clustered around the respondent and reported in parentheses. ASC=Alternative-specific constant.

^†Heavy tobacco cigarette smoker=Smoke more than 20 tobacco cigarettes per day.

^††Addicted tobacco cigarette smoker=Smoke first tobacco cigarette within 5 minutes of waking up.

^†††High price tobacco cigarette state=pay $10 or more for a pack of tobacco cigarettes.

^*p < 0.05,

^**p < 0.01,

^***p < 0.001.