A Study of the Influence of Collaboration Networks and Knowledge Networks on the Citations of Papers in Sports Industry in China

Table 6

Quadratic regression of collaboration network structure holes.

Citation	Coef.	St. err.	t value	value	95% conf. interval		Sig.
Structure hole	−2.078	0.477	−4.36	≤0.001	−3.013	−1.143
Structure hole^2	0.981	0.175	5.62	≤0.001	0.639	1.323
Constant	0.939	0.314	2.99	0.003	0.324	1.555

, and .