Table 3.

Odds of smoking supermarket brands of cigarettes relative to mainstream brands brands.^* Variables are adjusted for each of the other variables in the model

Characteristic	Odds risk (95% CI)	P value
Age	1.04 (1.03 to 1.05)	<0.0001
Female sex	1.45 (1.12 to 1.89)	0.01
Manual class	1.76 (13.2 to 2.35)	0.0001
Rented housing	1.37 (1.06 to 1.77)	0.02
Time to first cigarette†	0.91 (0.83 to 0.99)	0.02
Cigarette consumption‡	1.31 (0.97 to 1.78)	0.08

^*Data from general household survey 1994.²  

^†Six level trend variable, ranging from <5 minutes to >2 hours after waking.  

^‡Dichotomised as <15 cigarettes per day versus ⩾15.