Table 2

Logistic regression of preban (2011) association between never-smokers’ susceptibility to smoke and noticing cigarettes openly displayed and brand awareness, controlling for smoking-related and demographic variables

	Never-smokers’ susceptibility to smoke 1=susceptible (n=282), 0=not (n=719)
	n	AOR*	95% CI Lower	95% CI Upper	P value
Any close friends smoke
No	697	Ref
Yes	304	2.05	1.48	2.84	<0.001
Any siblings smoke					<0.001
No/No siblings	836	Ref
Yes	137	2.31	1.54	3.47	<0.001
Not sure/not stated	28	2.19	0.99	4.86	0.053
Parents smoke					0.283
Neither smokes	567	Ref
Either	344	1.14	0.82	1.59	0.436
Not sure/not stated	90	1.48	0.90	2.44	0.121
Gender
Male	515	Ref
Female	486	0.93	0.69	1.24	0.617
Age					0.026
11	209	Ref
12 vs 11	200	1.38	0.85	2.24	0.187
13 vs 11–12	199	1.45	0.98	2.15	0.061
14 vs 11–13	171	1.11	0.75	1.65	0.591
15 vs 11–14	130	1.19	0.78	1.82	0.421
16 vs 11–15	92	0.49	0.28	0.85	0.011
Social grade
Middle class (ABC1)	461	Ref
Working class (C2DE)	540	0.78	0.58	1.06	0.112
Notice openly displayed
No or don’t know	195	Ref
Yes	806	1.97	1.30	2.98	0.001
Brand awareness	1001	1.15	1.03	1.29	0.015
	Model χ²= 86.530, df=14, p<0.001. Hosmer and Lemeshow χ²= 10.761, df=8, p=0.216. Cases correctly classified: 74%. 24 cases excluded due to missing data on one or more independent variables.

*Adjusted for all other variables in the model.
AOR, adjusted OR; ref, reference category.