Regression Coefficient B

St. Error of B

t value

P-value

Constant

6.730

1.645

4.091

0.000

Progesterone (mg/ml)

−0.038

0.030

−1.263

0.208

Adrenalin (ng/ml)

0.055

0.046

1.205

0.230

Noradrenalin (ng/ml)

0.051

0.069

0.743

0.458

Melatonin (pg/ml)

0.010

0.009

1.148

0.253

Cortisol (ng/ml)

−0.005

0.002

−2.287

0.023

β-endorphin (pg/ml)

−0.015

0.018

−0.808

0.420