Table 3.

Results from univariate linear regressions.

	Abstracts				Full texts
Factors	AGL (r2)	p-value	FRE score (r2)	p-value	AGL (r2)	p-value	FRE score (r2)	p-value
Author number	0.030	0.083	0.029	0.092	0.004	0.529	0.006	0.439
Total citation count	0.007	0.400	0.011	0.289	0.005	0.470	0.008	0.373
Normalized citation count	0.000	0.876	0.002	0.690	0.006	0.447	0.003	0.577
Publication year	0.023	0.131	0.016	0.208	0.066	0.010	0.053	0.021
Impact factor	0.007	0.525	0.003	0.677	0.114	0.007	0.087	0.020

r², coefficient of determination. AGL, Average reading grade level. FRE, Flesch Reading Ease.