. Author manuscript; available in PMC: 2024 Mar 16.

Published in final edited form as: Subst Use Misuse. 2023 Mar 16;58(6):780–786. doi: 10.1080/10826084.2023.2188429

Table 4.

Stochastic Actor Oriented Model Results (N=1,051).

Model Parameter	Estimate	Standard Error
Network Dynamics
Rate Period 1	19.153	0.964
Density	−3.757^***	0.099
Reciprocity	2.937^***	0.065
Transitive Ties	0.674^***	0.056
Transitive Triplets	0.356^***	0.038
Indegree Popularity Square Root	0.065	0.039
Indegree Activity Square Root	−0.392^***	0.057
Outdegree Activity	−0.043^***	0.012
Effects of Individual Covariates
Sex Homophily	0.403^***	0.032
Ethnic Homophily	0.135^***	0.047
Same School	0.835^***	0.035
Vaping alter	0.170^*	0.050
Vaping ego	−0.089	0.054
Vaping homophily	0.287^***	0.061
Behavior Dynamics
Rate Period 1	0.530	0.048
Age on vaping rate	−0.017	0.069
Linear shape	−0.153	0.140

p<0.05

^**

p<0.01

^***

p<0.001