Table 1 Gender distribution in AH-group and non-AH group
From: Headaches attributed to airplane travel: a Danish survey
AH-group | Non-AH-group | Total | |
|---|---|---|---|
Females | 12 (5 %) | 146 (57 %) | 158 (62 %) |
Males | 9 (4 %) | 87 (34 %) | 96 (38 %) |
Total | 21 (9 %) | 233 (91 %) | 254 (100 %) |