Model

Variable Entered

R

R2

Change Statistics

R2 Change

F Change

Sig. F Change

1

VO2max

0.444

0.197

0.197

19.193

<0.001a

2

lnHFR-R

0.508

0.258

0.061

6.325

0.014a

3

Gender

0.544

0.296

0.038

4.059

0.047a