Table 3.

ORs for substance use (prospective analysis, imputed data)

Substance use	Adolescent behaviour	OR [95% CI]a	p
Alcohol use problemsc	Conduct	1.02 [.83; 1.26]b	.84
	Friends' alcohol use	2.56 [2.16; 3.03]d	<.001
	Friends x conduct	1.27 [1.06; 1.52]b,d	.011

Conduct = conduct problems (1996); friends = number of substance-using close friends.

^aAdjusted for sex and age and combined across five imputed data sets.

^bPer one SD.

^cFit statistics across data sets: Hosmer-Lemeshow test .18 ≤ p_GOF < .25; .31 ≤ Pseudo-R²< .33.

^dPer one close friend.