Table 3 Estimates of the parameters of the GEE model with gamma response for cortisol measurements

Intercept

0.504

0.116

0.277

0.731

< 0.0001

PTSD Group

0.426

0.184

0.065

0.788

0.021

Control Group

Ref

7:30 am

2.051

0.131

1.795

2.307

< 0.0001

7 am

2.108

0.114

1.884

2.331

< 0.0001

6:30 am

1.502

0.123

1.262

1.743

< 0.0001

10 pm

Ref

PTSD*7:30 am

−0.555

0.189

−0.926

−0.185

0.003

PTSD*7 am

−0.331

0.179

−0.682

0.021

0.065

PTSD*6:30 am

−0.279

0.182

−0.636

0.077

0.124

Scale

0.458