Table 6:

Predictors of Quit Success (One-Month Criteria) Among Participants that had made a Quit Attempt

	n	% Success	OR	χ2 (d.f.)
Age at recruitment (years)				11.07(3)*
18–24	833	24.5	Ref
25–39	2951	25.8	0.96(0.79, 1.18)
40–54	4457	22.3	0.83(0.68, 0.99)*
55 and above	2961	24.4	0.99(0.81, 1.22)
Country				57.37 (3)**
Canada	2877	21.5	Ref
USA	2553	20.7	0.95(0.83, 1.10)
UK	2596	28.8	1.54(1.34, 1.75)**
Australia	3176	24.8	1.21(1.06, 1.37)*
Sex				4.64 (1)*
Female	6461	22.8	Ref
Male	4741	25.6	1.10(1.01, 1.22)*
Income Categories				23.12 (2)**
Low	3615	19.9	Ref
Moderate	3983	24.2	1.27(1.13, 1.44)**
High	3604	27.6	1.37(1.20, 1.57)**
Highest Level of Education				2.85 (2)
Low	5554	23.1	Ref
Moderate	3724	23.8	1.04(0.94, 1.28)
High	1924	27.0	1.12(0.98, 1.28)
Household Composition				5.85 (2)
Single Adult Smoker	3242	21.6	Ref
All Adult Smokers	2787	23.0	0.88(0.76, 1.03)
Mixed Adult Household	5173	25.9	1.01(0.88, 1.17)
Relationship Status				13.32 (1)**
Partnered	5915	26.3	Ref
Unpartnered	5287	21.2	0.80(0.71, 0.90)**
Model Two
Age at recruitment (years)				8.7 (3)
18–24			Ref
25–39			1.05(0.86, 1.27)
40–54			0.96(0.79, 1.16)
55 and above			1.14(0.93, 1.40)
Heaviness of Smoking Index				113.75 (6)**
0	1162	35.1	Ref
1	1436	28.0	0.94(0.79, 1.12)
2	2214	25.0	0.76(0.65, 0.90)*
3	3248	20.7	0.59(0.50, 0.69)**
4	1944	18.3	0.52(0.44, 0.62)**
5	905	16.2	0.49(0.39, 0.61)**
6	293	16.1	0.44(0.32, 0.63)**
Model Three
Age at recruitment (years)				7.18(3)
18–24			Ref
25–39			1.06(0.87, 1.29)
40–54			0.95(0.78, 1.16)
55 and above			1.12(0.91, 1.37)
Heaviness of Smoking Index				121.06 (6)**
0			Ref
1			0.94(0.79, 1.12)
2			0.76(0.65, 0.90)*
3			0.58(0.50, 0.68)**
4			0.51(0.43, 0.61)**
5			0.46(0.38, 0.59)**
6			0.43(0.30, 0.60)**
Intention to Quit				24.33 (3)**
In Next Month	2022	23.3	Ref
In Next 6 Months	3775	23.4	1.02(0.89, 1.16)
Beyond Next 6 Months	3818	23.1	1.08(0.94, 1.23)
Not Planning to Quit	1587	28.2	1.41(1.20, 1.65)**

Note:

^*denotes p<.05

^**denotes p<.001