Table 1 Socio-demographic characteristics and 1-year prevalence of headaches classified by gender
|  | Total (n = 2012,%) | Men (n = 1544, %) | Women (n = 468, %) |
|---|---|---|---|
Age(years) | |||
 18–30 | 702 (34.9) | 526 (34.1) | 176 (37.6) |
 31–40 | 718 (35.7) | 549 (35.6) | 169 (36.1) |
 41–50 | 385 (19.1) | 293 (19.0) | 92 (19.7) |
 51–60 | 207 (10.3) | 176 (11.3) | 31 (6.6) |
Mean age (SD) years | 36.0 ± 9.2 | 36.1 ± 8.3 | 35.8 ± 9.0 |
Education | |||
 Bachelor or lower | 1097 (54.5) | 830 (53.8) | 267 (57.1) |
 Master or higher | 915 (45.5) | 714 (46.2) | 201 (42.9) |
Marriage | |||
 single | 611 (30.4) | 436 (28.2) | 175 (37.4) |
 married | 1401 (69.6) | 1108 (71.8) | 293 (62.6) |
Work experience (years) | |||
 1–5 | 888 (44.1) | 664 (43.0) | 224 (47.9) |
 6–10 | 681 (33.8) | 514 (33.3) | 167 (35.7) |
 10- | 443 (22.1) | 366 (23.7) | 77 (16.4) |
Headache, all types | 619 (30.8) | 396 (25.6) | 223 (47.7) |
Migraine | 152 (7.6) | 81 (5.2) | 71 (15.2) |
Migraine without aura | 107 (5.3) | 48 (3.1) | 59 (12.6) |
Migraine with aura | 17 (0.8) | 13 (0.8) | 4 (0.9) |
Probable migraine | 28 (1.4) | 20 (1.3) | 8 (1.7) |
Chronic migraine | 0 | 0 | 0 |
TTH | 440 (21.9) | 297 (19.2) | 143 (30.6) |
  infrequent episodic TTH | 233 (11.6) | 156 (10.1) | 77 (16.5) |
  frequent episodic TTH | 117 (5.8) | 82 (5.3) | 35 (1.7) |
  Probable TTH | 74 (3.7) | 51 (3.3) | 23 (4.9) |
Chronic TTH | 12 (0.6) | 4 (0.2) | 8 (0.4) |
aUnclassified headache | 27 (1.3) | 18 (1.2) | 9 (1.9) |