Independent variables

N

Mean

Std. Deviation

INN

396

5.90

0.413

RT

396

1.93

0.449

PRO

396

2.69

0.892

CA

396

4.07

0.294

RAF

396

1.01

0.107

FNE

396

3.91

0.253

BPB

396

4.90

0.341

BI

396

5.80

0.332

IT

396

2.79

0351

HR

396

4.91

0.418