. Author manuscript; available in PMC: 2016 May 1.

Published in final edited form as: Am Behav Sci. 2014 Nov 14;59(5):548–564. doi: 10.1177/0002764214556804

Table 4.

Parameter estimates and standard errors for the co-evolution of the Oncofertility collaboration network

	Estimate	S.E.
Rate of change, t1 to t2	75.564	65.044
Rate of change, t2 to t3	127.393	22.081
Rate of change, t3 to t4	191.912	16.077
*Network structures*
Endogenous effects of the Oncofertitlity collaboration relation
Density	−2.560^*	0.086
Transitive triads	0.644^*	0.020
Number of actor pairs at distance 2	−0.137^*	0.044
Exogenous effects of the non-Oncofertility prior collaboration relation
Prior collaboration (Co-authorship log)	0.471^*	0.046
*Attributes effects*
Gender – Male	−0.011	0.043
Country – US	−0.560^*	0.063
*Similarity effects*
H1: Cognitive similarity (Citation similarity)	−0.041^*	0.016
H2: Gender homophily	−0.022	0.023
H3: Country homophily	0.913^*	0.041

Indicates p<0.05