Table 3 Standardized factor loadings and omega hierarchical for PHQ-9 and GAD-7

phq1

Little interest or pleasure […]

.600

.509

.798

.699

phq2

Feeling down, depressed, or hopeless

.599

.657

.425

.512

phq3

Trouble falling […] asleep, or sleeping too much

.775

.591

.500

.683

phq4

Feeling tired or having little energy

.661

.913

.457

.787

phq5

Poor appetite or overeating

.631

.441

.375

.536

phq6

Feeling bad about yourself […]

.667

.450

.519

.593

phq7

Trouble concentrating on things […]

.587

.755

.464

.671

phq8

Moving or speaking slowly […] or the opposite[…]

.631

.454

.460

.543

phq9

Thoughts that you would be better off dead […]

.492

.507

.695

.594

PHQ-9 Omega Hierarchical

.784

.392

.770

.302

.777

gad1

Feeling nervous […]

.712

.452

.851

.782

gad2

Not able to stop worrying

.662

.605

.887

.775

gad3

Worrying too much about different things

.665

.613

.894

.780

gad4

Having trouble relaxing

.855

.674

.360

.765

gad5

Being so restless that it is hard to sit still

.643

.484

.683

.564

gad6

Becoming easily annoyed or irritable

.542

.442

.249

.492

gad7

Feeling afraid […]

.604

.371

.716

.660

GAD-7 Omega Hierarchical

.761

.338

.850

.294

.806