Table 2.

Characteristics of stop smoking medication users among quitters from the 2008 ITC 4 Country survey.

	Users of Any Stop Smoking Medication					Users of Nicotine Replacement Therapy					Users of Varenicline
	N	% Used Any SSM	OR	Lower CI	Upper CI	N	% Used NRT	OR	Lower CI	Upper CI	N	% Used Varenicline	OR	Lower CI	Upper CI
Country
Canada	676	45.7	1.00	ref.		676	24.6	1.00	ref.		676	14.8	1.00	ref.
United States	658	48.8	1.09	0.83	1.44	658	22.2	0.84	0.61	1.15	658	21.7	1.53	1.06	2.20
United Kingdom	704	36.6	0.61	0.46	0.80	704	29.1	1.18	0.84	1.58	704	4.4	0.16	0.09	0.30
Australia	697	45.6	0.94	0.72	1.23	697	24.5	0.78	0.72	1.32	697	14.5	0.79	0.53	1.17
Sex
Female	1529	46.6	1.00	ref.		1529	27.1	1.00	ref.		1529	14.7	1.00	ref.
Male	1206	40.9	0.73	0.60	0.89	1206	22.6	0.80	0.65	0.99	1206	12.4	0.66	0.49	0.90
Age
18–24	140	31.4	1.00	ref.		140	22.1	1.00	ref.		140	4.3	1.00	ref.
25–39	606	44.4	1.52	0.91	2.52	606	28.2	1.56	0.88	2.76	606	10.9	1.21	0.45	3.27
40–54	1101	45.1	1.32	0.80	2.15	1101	24.5	1.16	0.66	2.03	1101	15.5	1.67	0.64	4.35
55 +	888	44.6	1.39	0.84	2.30	888	24.3	1.14	0.64	2.01	888	14.9	1.80	0.68	4.76
Ethnicity
White, English Speaking	2469	45.1	1.00	ref.		2469	25.6	1.00	ref.		2469	14.3	1.00	ref.
Non-White, Non-English Speaking	248	33.5	0.55	0.38	0.81	248	20.2	0.79	0.52	1.21	248	8.1	0.47	0.24	0.92
Heaviness of Smoking Index (HSI)
0	256	35.9	1.00	ref.		256	22.3	1.00	ref.		256	10.9	1.00	ref.
1	268	38.4	1.19	0.80	1.77	268	23.5	1.14	0.73	1.80	268	10.1	0.95	0.50	1.80
2	414	46.4	1.92	1.34	2.77	414	30.4	1.78	1.18	2.69	414	12.6	1.35	0.76	2.40
3	616	43.3	1.64	1.17	2.31	616	23.9	1.36	0.92	2.01	616	13.3	1.33	0.78	2.29
4	375	44.3	1.56	1.08	2.26	375	24.3	1.27	0.83	1.95	375	13.1	1.36	0.76	2.44
5	150	48.0	1.84	1.16	2.92	150	29.3	1.69	1.01	2.82	150	14.0	1.25	0.62	2.55
6	56	42.9	1.51	0.79	2.89	56	28.6	1.59	0.78	3.25	56	7.1	0.55	1.15	1.98
Income
Low	718	46.2	1.00	ref.		718	27.3	1.00	ref.		718	12.1	1.00	ref.
Moderate	839	42.9	0.83	0.66	1.06	839	24.0	0.82	0.63	1.07	839	13.9	1.18	0.81	1.72
High	812	44.5	0.96	0.74	1.23	812	25.0	0.78	0.59	1.03	812	14.2	1.46	0.98	2.17
Education
Low	1340	41.9	1.00	ref.		1340	24.3	1.00	ref.		1340	11.6	1.00	ref.
Moderate	891	46.4	1.31	1.06	1.63	891	25.0	1.10	0.86	1.40	891	15.6	1.56	1.11	2.18
High	500	45.6	1.32	1.01	1.73	500	27.4	1.26	0.93	1.70	500	16.0	1.60	1.07	2.40

Note: Bold values indicate statistically significant odds ratios