Table 3:

Predictors of Quit Attempts Among Daily Smokers

	n	% attempted	OR(95% CI)	χ2 (d.f.)
Age at recruitment (years)				107.85 (3)**
18–24	1816	49.6	Ref
25–39	7630	41.4	0.70(0.62, 0.80)**
40–54	12840	36.9	0.56(0.50, 0.63)**
55 and above	8131	39.4	0.61(0.54, 0.70)**
Country				34.50 (3)**
Canada	7592	40.8	Ref
USA	6796	39.8	0.97(0.89, 1.05)
UK	7833	35.4	0.82(0.75, 0.89)**
Australia	8196	41.7	1.02(0.94, 1.11)
Sex				12.01 (1)*
Female	17012	40.4	Ref
Male	13405	38.2	0.90(0.85, 0.96)**
Income Categories				1.62 (2)
Low	9782	39.9	Ref
Moderate	11036	38.5	1.00(0.93, 1.07)
High	9599	39.6	1.04(0.96, 1.13)
Highest Level of Education				12.90 (2)**
Low	15778	37.6	Ref
Moderate	9766	40.8	1.11(1.04, 1.18)*
High	4873	42.7	1.21(1.11, 1.32)**
Household Composition				4.15 (2)
Single Adult Smoker	8587	40.2	Ref
All Adult Smokers	7621	38.6	0.91(0.83, 1.00)
Mixed Adult Household	14209	39.4	0.93(0.85, 1.01)
Relationship Status				0.32 (1)
Partnered	16321	38.5	Ref
Unpartnered	14096	39.3	0.98(0.91, 1.05)
Model Two
Age at recruitment (years)				70.19 (3)**
18–24			Ref
25–39			0.75(0.66, 0.84)**
40–54			0.62(0.55, 0.70)**
55 and above			0.68(0.60, 0.77)**
Heaviness of Smoking Index				154.18 (6)**
0	2558	50.7	Ref
1	3242	47.0	0.95(0.85, 1.05)
2	5636	41.1	0.78(0.71, 0.87)**
3	9375	36.2	0.67(0.61, 0.74)**
4	5806	34.3	0.63(0.57, 0.70)**
5	2757	34.1	0.62(0.55, 0.70)**
6	1043	29.1	0.51(0.43, 0.60)**
Model Three
Age at recruitment (years)				57.84 (3)**
18–24			Ref
25–39			0.74(0.65, 0.83)**
40–54			0.68(0.60, 0.77)**
55 and above			0.83(0.74, 0.95)*
Heaviness of Smoking Index				82.99 (6)**
0			Ref
1			0.91(0.81, 1.02)
2			0.78(0.70, 0.87)**
3			0.70(0.64, 0.78)**
4			0.69(0.62, 0.77)**
5			0.70(0.62, 0.79)**
6			0.60(0.50, 0.72)**
Intention to Quit				2360.50 (3)**
In Next Month	2950	71.9	Ref
In Next 6 Months	7045	57.0	0.55(0.50, 0.60)**
Beyond Next 6 Months	11441	35.7	0.25(0.23, 0.28)**
Not Planning to Quit	8981	19.3	0.12(0.10, 0.13)**

Note:

^*denotes p<.05

^**denotes p<.001