Table 2.

Nicotine Dependence Outcomes by Group

	E-cigarette Users N=156	Cigarette Smokers N=3430
Do you consider yourself addicted to cigarettes/e-cigarettes?*
No	38 (22.8)	204 (6.0)
Yes	118 (77.2)	3226 (94.0)
Do you ever have strong cravings to smoke cigarettes/use e-cigarettes?*
No	46 (27.2)	437 (13.1)
Yes	110 (72.8)	2993 (86.9)
In the past 12 months, did you find it difficult to keep from smoking cigarettes/using e-cigarettes in places where it was prohibited?*
No	148 (94.4)	2449 (71.4)
Yes	8 (5.6)	981 (28.6)
Have you ever felt like you really needed to smoke cigarettes/use e-cigarettes?*
No	43 (28.5)	379 (11.6)
Yes	113 (71.5)	3051 (88.5)
Time-to-First-Use
Within 5 Minutes	21 (15.1)	825 (24.0)
6–30 Minutes	77 (49.4)	1541 (44.7)
31–60 Minutes	39 (24.6)	643 (19.2)
> 60 Minutes	19 (10.9)	421 (12.1)

Unweighted frequency (Weighted Column Percent)

^*P < 0.0001 (Rao-Scott Chi-Square test).