Baseline characteristics by offer of a scan
| Not offered scan (n = 74) | Offered scan (n = 76) | |
|---|---|---|
| Gender: male, n (%) | 57 (77%) | 59 (78%) |
| Ethnic group: white, n (%) | 40 (54%) | 45 (59%) |
| Employed, n (%) | 40 (54%) | 53 (70%) |
| Marital status: single, n (%) | 30 (41%) | 32 (42%) |
| Age, mean (SD) | 40 (13.2) | 37 (11.4) |
| HADS score, mean (SD) | 15.8 (7.16) | 15.4 (7.63) |
| Headache index, mean (SD) | 35.9 (42.1) | 33.3 (42.0) |