Table 1 Baseline characteristics for each group
| Â | Migraine | Cluster headache | Controls |
|---|---|---|---|
Number of patients, n | 534 | 437 | 152 |
Age (years), mean ± SD | 52.43 ± 13.47 | 53.23 ± 12.92 | 54.16 ± 13.76 |
BMI (kg/m2), mean ± SD | 25.43 ± 3.54 | 25.43 ± 3.62 | 25.12 ± 3.12 |
Smoking, n (%) | 29 (5.4) | 251 (57.7) | 14 (9.2) |
Lifetime depression, n (%) | |||
 Yes | 196 (36.7) | 160 (36.6) | 15 (9.9) |
 No | 274 (51.3) | 198 (45.3) | 132 (86.8) |
 Unknown | 64 (12.0) | 79 (18.1) | 5 (3.3) |
Chronic migraine, n (%) | 82 (15.4) | NA | NA |
Chronic CH, n (%) | NA | 99 (22.7) | NA |