Table 4.

Adjusted ORs (with 95% CIs and P values) for experimentation at after 3 y with and without susceptibility included in the logistic regression model (n = 964)

Baseline characteristic	Follow-up experimentation
	Without susceptibility		With susceptibility
	OR (CI)	P	OR (CI)	P
Sex
Female	1.00		1.00
Male	1.79 (1.28–2.51)	0.001	1.74 (1.24–2.46)	0.002
Age at enrollment
11 or 12 y	1.00		1.00
13 y	2.38 (1.68–3.37)	0.000	2.23 (1.56–3.18)	0.000
Detentions in school
None	1.00		1.00
At least one	1.98 (1.39–2.82)	0.000	1.88 (1.32–2.70)	0.001
SSS in school
High	1.00		1.00
Low	1.45 (1.02–2.04)	0.037	1.32 (0.93–1.88)	0.121
Positive outcome expectations
None	1.00		1.00
Some	2.02 (1.45–2.82)	0.000	1.58 (1.11–2.25)	0.011
Household member smokers
No	1.00		1.00
Yes	1.98 (1.44–2.81)	0.000	1.93 (1.37–2.71)	0.000
Susceptibility
No	—	—	2.61 (1.79–3.80)
Yes	—	—		0.000
Hosmer-Lemeshow goodness of fit test (both models adjusted for parental education)		0.229		0.167