Table 3.

Behavioural and psychological outcomes at six and twelve months

Outcome	Intervention group (N = 169) n %	Control group (N = 149)	Relative Risk (95% confidence interval)
At six months
Quit smoking	15 (9)	12 (8)	1.1 (0.5–2.3)
Quit at least once for more than 24 hours in past 6 months	54 (32)	44 (30)	1.1 (0.8–1.5)
Mean number of stage shifts in stage of change from baseline	0.01	0.0	Mean difference = 0.01 (-0.1 – 0.1)
At twelve months
Quit smoking	13 (8)	9 (6)	1.3 (0.6–2.9)
Quit at least once for more than 24 hours in past 12 months	32 (19)	17 (11)	1.7 (0.96–2.9)
Mean number of stage shifts in stage of change from baseline	0.15	0.09	Mean difference = 0.06 (-0.1 – 0.2)

*not evaluable for patients with missing data for baseline stage of change