Table 3.

Prospective associations between participants' baseline characteristics and self-reported smoking status at three month and six month follow-ups.

	Smoking abstinence vs. relapse at three month follow-up (n = 179)		Smoking abstinence vs. relapse at six month follow-up (n = 163)
	OR (95% CI); p-value	Adj. ORa (95% CI); p-value	OR (95% CI); p-value	Adj. ORa (95% CI); p-value
Non-smoker identity	2.37 (1.07–5.21); p = 0.033	2.64 (1.09–6.42); p = 0.032	2.19 (0.97–4.97); p = 0.060	2.05 (0.83–5.04); p = 0.120
Women	0.46 (0.23–0.91); p = 0.025	0.49 (0.23–1.05); p = 0.067	0.57 (0.29–1.12); p = 0.106	0.69 (0.33–1.44); p = 0.326
Age (increase in 10 years of age)	1.11 (0.90–1.37); p = 0.325	0.99 (0.78–1.26); p = 0.930	1.18 (0.94–1.47); p = 0.155	1.13 (0.88–1.44); p = 0.335
C2DE social grade	0.95 (0.50–1.79); p = 0.866	1.10 (0.54–2.26); p = 0.791	0.87 (0.44–1.70); p = 0.682	0.97 (0.47–2.03); p = 0.944
Number of cigarettes per day (increase in 10 cigarettes per day)	1.39 (0.97–2.05); p = 0.074	1.22 (0.81–1.85); p = 0.338	1.20 (0.86–1.68); p = 0.288	1.06 (0.72–1.54); p = 0.777
Number of quit attempts in the past year	0.73 (0.49–1.09); p = 0.128	1.08 (0.65–1.80); p = 0.763	0.81 (0.52–1.25); p = 0.343	1.08 (0.63–1.84); p = 0.780
Baseline length of abstinence (increase by duration category)	1.58 (1.29–1.93); p < 0.001	1.58 (1.26–1.99); p < 0.001	1.43 (1.16–1.75); p = 0.001	1.41 (1.13–1.76); p = 0.003
Unaided quit attempt	0.60 (0.31–1.14); p = 0.119	0.54 (0.25–1.18); p = 0.123	0.98 (0.51–1.89); p = 0.956	0.86 (0.41–1.84); p = 0.703

^aAdjusted for all study variables.