The Influence of Author Degree Centrality and L-Index on Scientific Performance of Physical Education and Training Papers in China Based on the Perspective of Social Network Analysis

Table 4

Unary linear regression results of H-index and degree centrality.

H-index	Coeff.	Robust std. error	t-value	-value	95% confidence interval		Sig
Degree	0.188	0.011	16.47	≤0.001	0.166	0.211
Main journal	−0.01	0.002	−6.16	≤0.001	−0.013	−0.007
Start year	−0.021	0.001	−18.78	≤0.001	−0.023	−0.019
Career length	0.213	0.008	25.34	≤0.001	0.196	0.229
Constant	42.232	2.215	19.07	≤0.001	37.89	46.574
Mean dependent var		1.395	SD dependent var			1.212
R-squared		0.659	Number of obs			12,875
F-test		612.121	Prob > F			≤0.001
Akaike crit. (AIC)		27,629.154	Bayesian crit. (BIC)			27,666.470

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