Table 1

 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)