Table 6 Comparison of the estimated marginal means and standard deviations for the dependent variables (WHO-5, BDS-10, PHQ-9 and GAD-7 scores) with the covariate (severity of acne)

Severity of acne

WHO-5 score

12.688

0.461

Mild

14.699

0.264

Moderate

13.783

0.331

Severe

12.604

0.678

Very severe

9.668

1.663

BDS-10 score

11.141

0.531

Mild

9.047

0.304

Moderate

10.548

0.381

Severe

11.485

0.781

Very severe

13.484

1.914

PHQ-9 score

8.811

0.509

Mild

6.296

0.291

Moderate

7.557

0.365

Severe

9.386

0.749

Very severe

12.006

1.835

GAD-7 score

9.093

0.463

Mild

6.117

0.265

Moderate

7.853

0.332

Severe

9.596

0.681

Very severe

12.835

1.668