. Author manuscript; available in PMC: 2014 Aug 20.

Published in final edited form as: Soc Networks. 2012 Oct 1;34(4):371–378. doi: 10.1016/j.socnet.2010.06.003

Table 3.

Multi-level Mixed Effects Logistic Regression of Aggression, Group Members Only

	Model 1		Model 2		Model 3
	β	S. E.	β	S. E.	β	S. E.
Group Variables
Average aggression of group	−0.16	(0.12)	−0.15	(0.12)	−0.14	(0.12)
Average status valuation of group^{^}	0.28 ^*	(0.14)	0.26 ^*	(0.13)	0.30 ^*	(0.15)
Group size^{^}	—	—	0.00	(0.00)	−0.01 ^*	(0.00)
Freeman segregation index^{^}	—	—	−0.06 ^*	(0.03)	−0.08 ^**	(0.03)
Avg. status valuation * group size^{^}	—	—	—	—	0.11 ^*	(0.05)
Avg. status valuation * segregation^{^}	—	—	—	—	0.02 ^*	(0.01)
Friend behavior and attitudes
Friends' average aggression outdegree	0.24 ^**	(0.08)	0.22 ^**	(0.08)	0.22 ^**	(0.08)
Friends' average status valuation	0.12	(0.08)	0.10	(0.08)	0.11	(0.08)
Individual Variables
Aggression (Time 1)	1.03 ^***	(0.09)	1.03 ^***	(0.09)	1.03 ^***	(0.09)
Status valuation	0.09 ^*	(0.04)	0.09 ^*	(0.04)	0.08	(0.04)
Male	−0.02	(0.09)	−0.05	(0.09)	−0.07	(0.09)
African-American	0.11	(0.10)	0.12	(0.11)	0.15	(0.12)
Latino(a)	0.20	(0.23)	0.25	(0.25)	0.30	(0.24)
Other minority	−0.29	(0.20)	−0.28	(0.20)	−0.29	(0.20)
One parent	−0.16	(0.10)	−0.17	(0.10)	−0.17	(0.10)
No parent attended college	−0.09	(0.10)	−0.09	(0.10)	−0.11	(0.10)
9^th grade	−0.21	(0.14)	−0.04	(0.16)	0.01	(0.15)
10^th grade	−0.10	(0.15)	0.09	(0.16)	0.11	(0.16)
Constant	−1.32 ^***	(0.20)	−1.41 ^***	(2.56)	−1.44 ^***	(2.77)
Random Components
Random intercept of group	0.03	(0.05)	0.03	(0.05)	0.01	(0.05)
Random intercept of school	0.01	(0.02)	0.01	(0.02)	0.01	(0.02)
LR test vs. logistic chi2(2)	1.52		1.10		0.94
Log Likelihood	−1597.79		−1595.26		−1589.97
Wald Chi-square (df) N = 2,645	191.78^***	(14)	196.02^***	(16)	204.55^***	(18)

^{^}

variable is centered on grand mean;

p<0.05;

^**

p<0.01;

^***

p<0.001