Table 4 Item statistics GAD-7 generalized anxiety disorder
From: An arabic translation, reliability, and validation of Patient Health Questionnaire in a Saudi sample
GAD-7 items | Mean | Std. deviation | Corrected item-total correlation | Cronbach’s alpha if item deleted | Change in Cronbach’s alpha if item deleted |
|---|---|---|---|---|---|
Feeling nervous, anxious, on edge, or worrying a lot about different things | 1.31 | 0.486 | 0.423 | 0.747 | −0.016 |
Feeling restless so that it is hard to sit still | 0.49 | 0.646 | 0.483 | 0.733 | −0.030 |
Getting tired very easily | 0.91 | 0.720 | 0.595 | 0.707 | −0.056 |
Muscle tension, aches, or soreness | 0.55 | 0.674 | 0.441 | 0.742 | −0.021 |
Trouble falling asleep or staying asleep | 0.92 | 0.743 | 0.410 | 0.751 | −0.012 |
Trouble concentrating on things, such as reading a book or watching TV | 0.71 | 0.714 | 0.529 | 0.723 | −0.040 |
Becoming easily annoyed or irritable | 1.06 | 0.662 | 0.505 | 0.729 | −0.034 |
Total | 5.95 | 3.004 | 0.317 | 0.763 | 0.000 |