Table 2 Scores of participants on the Kessler 6-item psychological distress scale
K6 item | Migraine patients | Healthy controls | P |
|---|---|---|---|
Nervous | 1 (4,0) | 0 (4,0) | < 0.001 |
Hopeless | 1 (3,0) | 0 (4,0) | < 0.001 |
Restless or fidgety | 1 (4,0) | 0 (3,0) | < 0.001 |
So depressed that nothing could cheer you up | 1 (4,0) | 0 (3,0) | < 0.001 |
Everything is an effort | 1 (2,0) | 0 (2,0) | < 0.001 |
Worthless | 0 (1,0) | 0 (2,0) | 0.598 |
Total score | 5 (18,0) | 0 (16,0) | < 0.001 |
Severe psychological distress (n,%) | 25 (17%) | 12 (8%) | 0.016 |