. Author manuscript; available in PMC: 2014 Nov 1.

Published in final edited form as: J Youth Adolesc. 2012 Dec 2;42(11):1674–1686. doi: 10.1007/s10964-012-9869-1

Table 3.

Multivariate regression predicting number of drugs used in the last 30 days log transformed

Network characteristics	Variable	Full sample (n = 2,150)		Male (N = 1,132)		Female (N = 1,018)		T_Δb
		b	SE	b	SE	b	SE
Participant demographics	Female	−0.02^*	0.01	–	–	–	–	–
	Black	−0.03	0.02	−0.01	0.02	−0.05	0.02	–
	Asian	−0.03^*	0.01	−0.02	0.02	−0.04^*	0.01	–
	Latino	0.01	0	0.01	0.02	−0.01	0.02	–
	Other	0.27^*	0.04	0.24^*	0.05	0.32^*	0.05	−1.13
	Age	0.01	0.01	0.01	0.01	−0.01	0	-
	Completed high school	0.01	0.02	0.02	0.02	−0.03	0.03	–
Structural	Density	0.01	0.02	0.07^*	0.03	−0.05	0.03	–
	Total peer ties	0.01^*	0.01	0.01^*	0.01	0.01	0.01	–
Interactional	Emotional closeness	0.01	0.01	0.01	0.01	0.01	0.01	–
	Race homophily	0.01	0.01	0.01	0.01	0.02^*	0.02	–
	Sex homophily	0.01	0.01	0.01	0.01	−0.01	.01	–
	Avg. age of ties	0.01	0.01	0.01	0.01	0.01	0.01	–
	Offline contact w/ties	0.02	0.01	0.02	0.02	0.01	0.02	–
Functional	Opinion ties	0.01	0.01	0.01	0.01	0.02	0.01	–
	Discuss ties	0.12^*	0.01	0.14^*	0.01	0.09^*	0.01	3.54^*
	Accepting ties	0.09^*	0.01	0.12^*	0.01	0.06^*	0.01	4.24^*
	R²		0.23	0.26		0.18

p < .05