Table 4.

Risk factors associated with susceptibility to smoking (N = 1,187)

Characteristic	Odds ratio	95% confidence interval
Positive outcome expectations	4.85	3.25–7.26
Brother currently smokes	2.65	1.48–4.76
Any friends smoke	2.19	1.42–3.36
Mother currently smokes	1.92	1.13–3.25
Normative influence from peers	1.76	1.27–2.43
Age 13	1.43	1.02–2.01
Temptations to try smoking	1.36	1.05–1.76
Subjective social status	1.13	1.03–1.24
Detentions	1.08	1.01–1.16