Table 1.

Socio-demographic and smoking characteristics of the sample.

	Current smokers (n = 3538)	Recent ex-smokers (n = 579)	P
Mean (SD) age	43.4 (14.8)	43.7 (15.2)	NS
% (N) women	50.0 (414)	52.0 (301)	NS
% (N) high socio-economic statusa	45.8 (1621)	54.0 (313)	***
Mean (SD) cigarettes per day	12.9 (8.8)	14.7 (10.6)	***
% quit attempt in past year	46.3 (1639)	–	–

Note: NS=non-significant, *** p < 0.001.

^a‘High’ socio-economic status includes individuals classified into managerial, professional and intermediate occupational groups by the NS-SEC.