Table 4 Multiple regression analysis with the mean impact factor of the journals where subjects published their papers as dependent variable

Intercept

-3.871

3.089

-1.253

0.219

0.045

Self-reported proficiency

 Overall

1.049

1.171

0.895

0.377

0.024

 Writing

-0.869

0.774

-1.123

0.269

0.037

 Reading

-1.118

0.773

-1.445

0.158

0.060

English test score at enrollment

0.079

0.036

2.195

0.035

0.127

H-Index

0.121

0.053

2.269

0.030

0.135

Third party translation

0.050

0.208

 No translation

0.000

 Final version revision

0.452

1.222

0.370

0.714

0.004

 Preliminary version revision

2.715

1.332

2.039

0.050

0.112

 Full translation

2.400

1.669

1.438

0.160

0.059

R² =0.402