Table 4:

Demographic Characteristics and Adjusted Odds of Non-User Susceptibility to E-Cigarette Use Initiation

	Susceptible Non-User Adolescents		Odds of Non-User Susceptibility
	n (%)1/M±SD	p-value	OR [95% CI]
Sexual Identity		0.005
Heterosexual	135 (26.7)		Reference
Sexual minority (lesbian, gay, bisexual, or other)	55 (38.7)		1.62 [1.04 - 2.52]
Age	15.0 ±1.4	0.055	1.02 [0.89 - 1.17]
Sex		0.009
Male	32 (20.8)		Reference
Female	157 (31.7)		1.65 [1.03 - 2.65]
Race/Ethnicity		0.05
non-Hispanic white	91 (26.2)		Reference
Other	94 (33.5)		1.55 [1.06 – 2.26]
Friend(s)’ Past 30-day E-cigarette Use		<0.0001
Friends did not vape	110 (25.5)		Reference
Close friend(s) vaped	83 (46.4)		2.23 [1.49 - 3.33]
E-Cigarette Marketing Exposure	9.1 ±6.4	<0.0001	1.06 [1.03 - 1.091

¹Row percentages