Table 2.
Headache Characteristic | Total (n = 1719) | Time Since Last Prescription Medication for Migraine | ||
---|---|---|---|---|
<7 Months (n = 419) | 7‐12 Months (n = 158) | >12 Months (n = 1142) | ||
Monthly headache frequency, median (25th/75th percentile), d | 3.3 (1.3, 6.7) | 3.3 (1.7, 8.7) | 3.5 (1.3, 8.3) | 3.0 (1.3, 6.7) |
Monthly headache frequency categories, n (%) | ||||
0‐4 days | 1073 (62.4) | 253 (60.4) | 92 (58.2) | 728 (63.7) |
5‐9 days | 322 (18.7) | 70 (16.7) | 34 (21.5) | 218 (19.1) |
10‐14 days | 135 (7.9) | 40 (9.6) | 11 (7.0) | 84 (7.4) |
≥15 days | 189 (11.0) | 56 (13.4) | 21 (13.3) | 112 (9.8) |
Self‐reported diagnosis of migraine or CM, n (%) | 1160 (67.5) | 224 (53.5) | 82 (51.9) | 854 (74.8) |
Presence of allodynia, n (%)† | 673 (50.4) | 170 (53.1) | 72 (57.1) | 431 (48.5) |
Allodynia question included in endophenotype module only, included 1335 discontinued users.
CM = chronic migraine.