Table 3.

Multinomial logistic regression models of correlates of past year quit attempts (1–2 or 3+) and intentions to quit in the next 30 days or next 6 months, and current e-cigarette use

	Current quit intention						Past-year quit attempts						E-Cig Use
	30 days			6 months			1 or 2			3+			Every Day			Some days
	95 % CI			95 % CI			95 % CI			95 % CI			95 % CI			95 % CI
	OR	lower	upper	OR	lower	upper	OR	lower	upper	OR	lower	upper	OR	lower	upper	OR	lower	upper
ISSI self	4.21	3.32	5.33	2.47	2.08	2.93	1.60	1.35	1.90	1.74	1.46	2.08	1.73	1.35	2.23	1.03	0.89	1.19
ISSI felt	1.54	1.24	1.92	1.04	0.87	1.24	1.07	0.89	1.28	1.35	1.13	1.63	2.05	1.59	2.63	1.30	1.11	1.53
Discrimination	1.06	0.70	1.60	0.78	0.55	1.09	1.33	0.93	1.89	1.16	0.81	1.67	1.83	1.17	2.85	1.18	0.87	1.59
Gender
Male	1.21	0.86	1.71	0.94	0.71	1.23	1.18	0.88	1.57	1.32	0.98	1.76	1.22	0.85	1.75	0.99	0.78	1.28
Female (Ref)
Race/ethnicity
Black	2.71	1.16	6.30	3.18	1.65	6.13	1.36	0.73	2.53	1.18	0.61	2.27	1.02	0.48	2.19	0.78	0.45	1.36
Asian/Pacific Islander	0.77	0.29	2.08	0.85	0.38	1.88	1.49	0.58	3.84	1.32	0.53	3.29	0.51	0.16	1.64	0.57	0.28	1.18
Other	0.16	0.02	1.46	0.72	0.27	1.95	0.53	0.16	1.76	0.48	0.14	1.71	2.16	0.58	8.07	0.90	0.31	2.59
Hispanic	1.47	0.94	2.31	1.15	0.77	1.72	1.29	0.83	2.00	1.74	1.15	2.64	1.48	0.99	2.21	1.04	0.75	1.45
White (Ref)
Education
< HS degree	0.84	0.27	2.64	0.74	0.31	1.79	0.46	0.17	1.24	0.50	0.19	1.27	1.08	0.34	3.41	0.76	0.33	1.75
HS degree/GED	0.72	0.42	1.21	0.86	0.58	1.26	0.87	0.58	1.30	0.52	0.34	0.80	0.71	0.40	1.24	0.57	0.39	0.83
Some college	0.74	0.50	1.09	0.85	0.62	1.16	0.74	0.53	1.03	0.61	0.44	0.85	0.47	0.32	0.71	0.64	0.48	0.85
College degree+ (Ref)
Age
14–17	5.99	1.43	25.10	2.87	0.92	8.93	4.64	1.33	16.16	10.78	3.31	35.09	1.51	0.34	6.75	2.97	1.09	8.10
18–25	1.10	0.42	2.89	0.67	0.32	1.37	1.88	0.82	4.31	5.07	2.28	11.28	3.50	1.15	10.66	2.42	1.19	4.92
26–35	1.52	0.81	2.84	0.98	0.64	1.49	2.54	1.62	3.98	4.47	2.72	7.35	3.78	1.60	8.96	3.95	2.56	6.11
36–45	1.42	0.75	2.71	0.74	0.48	1.15	1.36	0.86	2.16	2.06	1.24	3.44	2.56	1.06	6.20	2.40	1.52	3.76
46–55	1.03	0.51	2.09	0.95	0.61	1.47	1.18	0.74	1.88	1.19	0.69	2.07	2.30	0.90	5.89	1.82	1.13	2.92
56+ (Ref)
Heaviness of Smoking Index
Low dependence	1.95	1.25	3.04	1.39	1.01	1.92	1.64	1.18	2.28	2.92	2.01	4.23	1.70	1.01	2.86	0.84	0.63	1.14
High dependence (Ref)

CI: confidence interval

Referent for current quit intentions was no intentions; Referent for past-year quit attempts was 0; Referent for e-cig use was not at all

Bolded values are significant at p<0.05