Table 5.

Predictors of smoking and dropouts at 12 months

Variable	Smoking RRR (95% CI)	p-value	Dropout RRR (95% CI)	p-value
Age (in years)
18–29	1		1
30–39	1.46 (0.38, 5.61)	0.584	1.58 (0.43, 5.83)	0.489
40–49	1.06 (0.25, 4.55)	0.934	0.66 (0.16, 2.79)	0.576
≥50	1.71 (0.29, 10.2)	0.554	1.85 (0.32, 10.56)	0.488
Marital Status
Never Married	1		1
Ever Married	0.50 (0.12, 2.08)	0.337	0.60 (0.15, 2.38)	0.465
Nationality
Qatar	1		1
Egypt	1.60 (0.49, 5.22)	0.432	0.58 (0.18, 1.84)	0.358
Other	1.60 (0.51, 5.03)	0.425	1.21 (0.41, 3.58)	0.734
Tried quitting before	0.77 (0.30, 1.99)	0.593	1.27 (0.49, 3.29)	0.619
Years of smoking	2.07 (1.25, 3.45)	0.005*	1.89 (1.17, 3.06)	0.009*
Cigarettes per day	1.04 (1.00, 1.09)	0.027*	1.01 (0.98, 1.05)	0.481
Study group	0.58 (0.24, 1.38)	0.218	0.70 (0.30, 1.64)	0.410

*significant association p < 0.05