Table 3. Multilevel Models of Group Level Network Properties, Adding Exogenous Controls (N=897).

Fixed Effects	Group Sizea		Reciprocityb		Transitivityb		Structural Cohesionb		Stabilityb		Average Popularityb,c		Centralityb,c
	Coef.	SE	Coef.	SE	Coef.	SE	Coef.	SE	Coef.	SE	Coef.	SE	Coef.	SE
Group Level
Group Delinquency (IRT)	-.089	(.055)	-.044 *	(.019)	-.035	(.025)	-.530 ***	(.114)	-.041	(.024)	-.048 **	(.014)	-.106	(.055)
Group Drinking (%)	.163	(.092)	.035	(.038)	.069	(.039)	.678 ***	(.170)	.008	(.046)	.077 **	(.021)	.362 ***	(.083)
Free Lunch (%)	-.361 ***	(.057)	-.078 *	(.035)	-.125 **	(.042)	-1.690 ***	(.158)	-.010	(.047)	-.191 ***	(.020)	-.670 ***	(.075)
Two-Parent Family (%)	.113	(.097)	.018	(.058)	.041	(.056)	.460 *	(.212)	.122 *	(.053)	.055 *	(.024)	.145	(.104)
Male Group	-.019	(.040)	-.033 **	(.011)	.026	(.018)	.106	(.093)	.099 ***	(.017)	-.007	(.011)	-.055	(.044)
Female Group	-.048	(.039)	.120 ***	(.013)	.100 ***	(.017)	.480 ***	(.080)	.116 ***	(.020)	.073 ***	(.009)	.068	(.046)
White Group	-.035	(.037)	.033 **	(.012)	.010	(.013)	.092	(.064)	.014	(.015)	.002	(.007)	.014	(.030)
School Level
Intercept	2.369 ***	(.026)	.384 ***	(.007)	.432 ***	(.009)	3.033 ***	(.040)	.372 ***	(.012)	.568 ***	(.004)	.839 ***	(.010)
State	-.090	(.052)	.018	(.015)	-.009	(.018)	.101	(.084)	-.068 *	(.025)	.004	(.007)	.018	(.022)
Condition	-.033	(.051)	.015	(.014)	.010	(.018)	.066	(.083)	.032	(.025)	-.004	(.007)	-.014	(.022)
Random Effects
Between (level-2)	.024 ***		.001 *		.002 ***		.033 **		.005 ***		.000		.000
Within (level-1)	2.209		.031		.037		.905		.049		.012		.221

^***p<.001,

^**p<.01,

^*p<.05

Note: SE's are robust (adjusted for clustering) and variables are grand centered.

^aModel is hierarchical overdispersed poisson,

^bModel is hiearchical linear,

^cOutcome is standardized by school