The Hotspots of Sports Science and the Effects of Knowledge Network on Scientific Performance Based on Bibliometrics and Social Network Analysis

Table 4

Multiple regression analysis.

Knowledge network measure (Obs = 4147)	Average citation		Paper counts
	β	Std. err.	β	Std. err.
Betweenness centrality	−0.0000146	8.69e − 06	0.0031839	0.0000254
Closeness centrality	65.16445	7.646053	394.5624	22.35862
Clustering	10.01557	2.826052	−129.9039	8.263953
Structural holes	29.53742	9.575936	−151.2	28.00199

Correlation is significant at the 0.05 level (2-tailed). Correlation is significant at the 0.01 level (2-tailed).