Table 4.

Logit coefficients and standard errors for joint models of friendship selection and service attendance socialization (N=798)

	S1			S2			S3			s4			s5

Variable/Parameter	b		se	b		se	b		se	b		se	b		se
Network model: service attendance
Alter	0.05	⁺	[0.03]	0.02		[0.03]	0.02		[0.03]	0.01		[0.03]	0.00		[0.04]
Ego	−0.02		[0.03]	−0.04		[0.03]	−0.04		[0.03]	−0.05	⁺	[0.03]	−0.08	^*	[0.04]
Similarity (selection)	0.32	^*	[0.11]	0.41	^*	[0.11]	0.38	^*	[0.13]	0.31	^*	[0.11]	0.24	^*	[0.11]
Network model: structural parameters
Outdegree density	−2.11	^*	[0.10]	−2.99	^*	[0.13]	−3.15	^*	[0.12]	−3.20	^*	[0.13]	−3.21	^*	[0.13]
Reciprocity	2.01	^*	[0.08]	1.71	^*	[0.08]	1.70	^*	[0.08]	1.70	^*	[0.08]	1.70	^*	[0.08]
Transitive Triplets	0.44	^*	[0.04]	0.40	^*	[0.04]	0.41	^*	[0.03]	0.41	^*	[0.04]	0.41	^*	[0.03]
3-cycles	−0.48	^*	[0.06]	−0.48	^*	[0.06]	−0.49	^*	[0.07]	−0.49	^*	[0.07]	−0.49	^*	[0.06]
Number at distance=2	−0.33	^*	[0.05]	−0.23	^*	[0.04]	−0.22	^*	[0.04]	−0.22	^*	[0.04]	−0.22	^*	[0.04]
Network model: control variables
Offlist nominations alter	−0.08	^*	[0.01]	−0.08	^*	[0.01]	−0.07	^*	[0.01]	−0.07	^*	[0.01]	−0.07	^*	[0.01]
Offlist nominations similarity	0.10		[0.14]	0.06		[0.13]	0.06		[0.14]	0.06		[0.13]	0.06		[0.14]
Restricted nominations, same
sample	0.18	^*	[0.05]	0.21	^*	[0.04]	0.21	^*	[0.05]	0.21	^*	[0.06]	0.22	^*	[0.04]
Network model: background variables
Sex, same				0.27	^*	[0.04]	0.28	^*	[0.04]	0.29	^*	[0.04]	0.29	^*	[0.04]
Grade alter				0.01		[0.02]	0.01		[0.02]	0.01		[0.02]	0.00		[0.01]
Grade, same				0.73	^*	[0.05]	0.73	^*	[0.05]	0.74	^*	[0.05]	0.74	^*	[0.04]
Nonwhite ego				0.30	^*	[0.08]	0.34	^*	[0.07]	0.35	^*	[0.08]	0.34	^*	[0.08]
Nonwhite same				0.37	^*	[0.09]	0.38	^*	[0.08]	0.38	^*	[0.08]	0.37	^*	[0.09]
Parent education similarity							0.31	^*	[0.11]	0.30	^*	[0.12]	0.31	^*	[0.11]
Single parent alter							0.09		[0.06]	0.09		[0.06]	0.10		[0.06]
Single parent, same							0.18	^*	[0.05]	0.18	^*	[0.05]	0.16	^*	[0.05]
Religion, same										0.12	^*	[0.05]	0.11	^*	[0.05]
Parent religiosity alter													0.00		[0.04]
Parent religiosity ego													0.05		[0.04]
Parent religiosity similarity													0.31	^*	[0.13]
Service attendance model: similarity and control variables
Average similarity (socialization)	1.87	^*	[0.51]	1.89	^*	[0.56]	1.74	^*	[0.52]	2.06	^*	[0.61]	1.71	^*	[0.59]
Female				0.08		[0.11]	0.07		[0.11]	0.09		[0.12]	0.09		[0.12]
Grade				−0.01		[0.04]	−0.01		[0.04]	−0.01		[0.04]	−0.03		[0.04]
Nonwhite				−0.13		[0.17]	−0.19		[0.16]	−0.18		[0.18]	−0.19		[0.19]
Parent education							0.14	^*	[0.06]	0.15	^*	[0.07]	0.13	^*	[0.07]
Single parent							−0.13		[0.13]	−0.12		[0.15]	−0.08		[0.14]
No religion										0.41		[0.29]	0.45	⁺	[0.24]
Mainline										−0.09		[0.17]	−0.08		[0.16]
Catholic										0.25		[0.21]	0.24		[0.21]
Other religion										−0.05		[0.29]	−0.02		[0.26]
Parent religiosity													0.20	^*	[0.07]
Service attendance model: distribution parameters
Linear shape parameter	0.67	^*	[0.07]	0.67	^*	[0.08]	0.69	^*	[0.09]	0.69	^*	[0.08]	0.71	^*	[0.08]
Quadratic shape parameter	0.60	^*	[0.05]	0.60	^*	[0.05]	0.58	^*	[0.05]	0.62	^*	[0.05]	0.56	^*	[0.06]
Rate function parameters
Network rate parameter	12.70	^*	[0.65]	14.32	^*	[0.98]	14.25	^*	[0.78]	14.35	^*	[1.04]	14.25	^*	[0.99]
Offlist nomminations	−0.03		[0.03]	−0.04		[0.03]	−0.04		[0.03]	−0.04		[0.06]	−0.04		[0.04]
Restricted nominations	0.44	^*	[0.11]	0.58	^*	[0.15]	0.57	^*	[0.14]	0.58	^*	[0.13]	0.58	^*	[0.18]
Service attendance rate	2.98	^*	[0.37]	2.99	^*	[0.42]	3.00	^*	[0.36]	2.76	^*	[0.45]	2.98	^*	[0.45]

⁺

p<.1,

p<.05.

Standard errors in brackets.

Note: Alter effects reflect being nominated, ego effects reflects nominating, and similarity and same effects capture how similar two adolescents are to each other.