| Type of headache | Food allergy | p-value |
|---|---|---|
| Headache zone | ||
| Vertex (%) | 2 (28.6%) | 0.67 |
| Occipital (%) | 3 (37.5%) | |
| Frontal | 7 (38.9%) | |
| Temporal | 1 (14.3%) | |
| Unilateral/bilateral | ||
| Unilateral (%) | 1 (12.5%) | 0.17 |
| Bilateral (%) | 12 (37.5%) | |
| Disease severity | ||
| Mild to moderate (%) | 4 (30.8%) | 0.87 |
| Severe (%) | 9 (33.3%) | |
| Headache quality | ||
| Throbbing (%) | 1 (35.5%) | 0.45 |
| Non-throbbing (%) | 9 (100%) | |
| Headache coupled with activity | ||
| Yes (%) | 9 (33.3%) | 0.87 |
| No (%) | 4 (30.8%) | |
| Motion sickness | ||
| Yes (%) | 4 (30.8%) | 0.87 |
| No (%) | 9 (33.3%) | |
| Attacks before prophylaxis | ||
| <1 week | 9 (40.9%) | 0.30 |
| 1 week to 1 month | 4 (26.7%) | |
| 1 month to 3 month | 0 | |
| >3 month | 0 | |
| Attacks after prophylaxis | ||
| <1 week | 1 (100%) | 0.032 |
| 1 week to 1 month | 8 (53.3%) | |
| 1 month to 3 month | 4 (22.2%) | |
| >3 month | 0 |