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 3

Unary linear regression results of average citations per paper and degree centrality.

Average citations per paper	Coeff.	Robust std. error	t-value	-value	95% confidence interval		Sig
Degree	0.484	0.106	4.55	≤0.001	0.276	0.693
Main journal	−0.283	0.093	−3.05	0.002	−0.465	−0.101
Start year	−1.621	0.046	−35.19	≤0.001	−1.711	−1.531
Career length	−0.754	0.111	−6.78	≤0.001	−0.972	−0.536
Constant	3,282.059	92.749	35.39	≤0.001	3,100.257	3,463.86
Mean dependent var		23.848		SD dependent var		37.333
R-squared		0.056		Number of obs		12,875
F-test		358.384		Prob > F		≤0.001
Akaike crit. (AIC)		129,014.918		Bayesian crit. (BIC)		129,052.233

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