Table 1.
Patient demographics and disease characteristics
| Patient, n (%) | |
|---|---|
| Sex | |
| Male | 196 (7.2) |
| Female | 2,514 (92.8) |
| Age, years | |
| <18 | 18 (Excl)* |
| 18–24 | 190 (6.9) |
| 25–39 | 921 (33.7) |
| 40–54 | 1,307 (47.8) |
| >55 | 317 (11.6) |
| Length of time since first migraine symptoms | |
| <1 year | 38 (1.4) |
| 1–5 years | 267 (9.9) |
| 6–10 years | 349 (12.9) |
| 10+ years | 2,056 (75.9) |
| USA resident | |
| Yes | 2,735 (95.6) |
| No | 121 (Excl)* |
| Days per month migraine symptoms ≥4 hours (n) | |
| 1–4 | 464 (17.1) |
| 5–9 | 564 (20.8) |
| 10–14 | 513 (18.9) |
| 15–19 | 488 (18.0) |
| 20+ | 681 (25.1) |
| Ever diagnosed with migraine by physician | |
| Yes | 2,503 (98.2) |
| No | 19 (Excl)* |
| Ever been diagnosed with chronic migraine | |
| Yes | 1,709 (68.3) |
Note:
*
These patients were not included in the percentage basis for the final analyses.
Abbreviation: Excl, excluded.