Table 4.

Selected SIENA Parameter Estimates: Parental Knowledge, Parental Discipline, and Drinking^a

	Model 1				Model 2
	b	SE	t	SD	b	SE	t	SD
Selection parameters
Alter effects: Who is more often named as a friend?
Parental knowledge	−0.003	0.004	−0.79	0.002	−0.002	0.004	−0.47	0.003
Parental discipline	−0.004	0.002	−1.74 †	0.001	−0.004	0.002	−1.55	0.001
Drinking	0.086	0.010	8.56 ***	0.016	0.083	0.010	8.69 ***	0.007
Ego effects: Who names more friends?
Parental knowledge	0.043	0.008	5.76 ***	0.037	0.044	0.007	5.85 ***	0.039
Parental discipline	−0.003	0.005	−0.47	0.024	−0.002	0.005	−0.36	0.023
Drinking	−0.009	0.019	−0.47	0.077	−0.011	0.021	−0.53	0.089
Similarity effects: Choosing friends similar to oneself
Parental knowledge	0.167	0.023	7.12 ***	0.093	0.169	0.025	6.70 ***	0.101
Parental discipline	0.152	0.017	8.79 ***	0.039	0.151	0.017	8.86 ***	0.035
Drinking	0.283	0.022	12.71 ***	0.007	0.276	0.021	13.45 ***	0.006
Behavioral parameters: Influence on Drinking
Friends’ attributes
Mean Parental knowledge	−0.402	0.062	−6.46 ***	0.038	−0.230	0.065	−3.56 **	0.014
Mean Parental discipline	−0.086	0.042	−2.02 †	0.010	−0.051	0.043	−1.18	0.011
Drinking mean similarity	—	—	—	—	1.162	0.110	10.56 ***	0.023
Control variables (individual level)
Parental knowledge	−0.117	0.014	−8.44 ***	0.012	−0.122	0.014	−8.93 ***	0.004
Parental discipline	−0.039	0.008	−4.62 ***	0.002	−0.043	0.009	−4.54 ***	0.002

^***p < .001.

^**p < .01.

^*p < .05.

^†p < .10.

All values are means across 48 networks, with a total N of 43,299 person/waves

^aModels also include rate and shape parameters, structural parameters, and the full set of alter, ego, similarity, and individual-level control parameters