Table 3 Results of the Generalised Estimated Equations models (GEE)

Symptomatology BPD (BSL-23)

 Therapy

0.850

6.302

−11.501/13.201

0.018

.893

 Post-Treatment

−11.300

4.279

−19.687/−2.913

6.974

.008

 Follow-up

−23.341

6.696

−36.467/-10.215

12.148

.000

 Therapy*Post-Treatment

1.682

7.087

−12.208/15.572

0.056

.812

 Therapy*Follow-up

8.225

8.090

−7.632/24.081

1.033

.309

Suicide ideation (C-SSRS)

 Therapy

0.450

0.384

−0.302/1.202

1.374

.241

 Post-Treatment

−1.550

0.364

−2.263/− 0.837

18.149

.000

 Follow-up

−2.550

0.499

−3.529/− 1.571

26.069

.000

 Therapy*Post-Treatment

0.234

0.540

−0.824/1.292

0.188

.664

 Therapy*Follow-up

−0.117

0.720

−1.527/1.294

0.026

.871

Maladjustment to daily life (IG)

 Therapy

2.700

1.819

−0.864/6.264

2.204

.138

 Post-Treatment

−5.500

1.487

−8.415/− 2.585

13.672

.000

 Follow-up

−10.776

1.819

−14.341/− 7.212

35.115

.000

 Therapy*Post-Treatment

1.411

2.561

−3.609/6.430

0.303

.582

 Therapy*Follow-up

3.743

3.225

−2.578/10.064

1.347

.246

Psychopharmacology consumption

 Therapy

1.009

0.742

−0.446/2.464

1.847

.174

 Post-Treatment

−0.714

0.746

−2.176/0.749

0.915

.339

 Follow-up

0.028

0.675

− 1.296/1.352

0.002

.967

 Therapy*Post-Treatment

−0.362

0.960

−2.243/1.519

0.143

.706

 Therapy*Follow-up

−1.104

.906

−2.280/0.671

1.486

.223