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Table 5 Inter-item correlation matrix GAD-7 generalized anxiety disorder

From: An arabic translation, reliability, and validation of Patient Health Questionnaire in a Saudi sample

GAD-7 items

Item 1

Item 2

Item 3

Item 4

Item 5

Item 6

Item 7

Feeling nervous, anxious, on edge, or worrying a lot about different things

1.000

Feeling restless so that it is hard to sit still

0.314

1.000

Getting tired very easily

0.336

0.369

1.000

Muscle tension, aches, or soreness

0.204

0.288

0.426

1.000

Trouble falling asleep or staying asleep

0.224

0.236

0.352

0.240

1.000

Trouble concentrating on things, such as reading a book or watching TV

0.284

0.383

0.389

0.297

0.319

1.000

Becoming easily annoyed or irritable

0.332

0.324

0.410

0.277

0.260

0.384

1.000