Table 1 Patient characteristics
| Â | Adults with migraine (N = 10,652) |
|---|---|
Age, years, mean (SD) | 51.4 (15.8) |
Age category, years, n (%) | |
 18–29 | 958 (9.0) |
 30–39 | 1736 (16.3) |
 40–49 | 2222 (20.9) |
 50–59 | 2243 (21.1) |
 ≥60 | 3493 (32.8) |
Female, n (%) | 5902 (55.4) |
Insurance type, n (%) | |
 UEBMI | 7675 (72.1) |
 URBMI | 2977 (27.9) |
Comorbiditiesa, n (%) | |
 Major depressive disorder | 442 (4.1) |
 Insomnia | 402 (3.8) |
 Anxiety | 248 (2.3) |
 Epilepsy | 46 (0.4) |
 Fremitus | 17 (0.2) |
Hospital level of first visitb, n (%) | (n = 9982) |
 Primary | 6686 (67.0) |
 Secondary | 1384 (13.9) |
 Tertiary | 1912 (19.2) |
Department of tertiary hospital first visitb, n (%) | (n = 979) |
 Neurology | 402 (41.1) |
 Traditional Chinese medicine | 130 (13.3) |
 Internal medicine | 128 (13.1) |
 Emergency room | 68 (6.9) |
 Other | 251 (25.6) |