Prevalence of Symptoms of Depression
| Reported Symptoms of Depression | Headache Group (n [%]) | Control Group (n [%]) | χ2 | P |
|---|---|---|---|---|
| Mild (PHQ 9 ≥5) | 63 (63.0) | 29 (29.0) | 23.27 | <.0001 |
| Moderate (PHQ 9 ≥10) | 32 (32.0) | 12 (12.0) | 11.66 | .001 |
| Moderately severe (PHQ 9 ≥15) | 19 (19.0) | 4 (4.0) | 11.05 | .001 |
| Severe (PHQ 9 ≥20) | 4 (4.0) | 2 (2.0) | 0.69 | .407 |
PHQ, Patient Health Questionnaire.