Frequency of headache with associated PedMIDAS and PedsQL4 scores.a
| Category of headache | Participants, n = 937, n (%) | PedMIDAS (number of days over 3-months that headache impacts school or home activities), mean (SD) | PedsQL4 (generic quality of life score), mean (SD) |
|---|---|---|---|
| No headache | 289 (31) | 0 | 82.2 (10.9) |
| Less than once a month | 186 (20) | 2.9 (4.7) | 79.4 (11.5) |
| Once a month | 120 (13) | 4.3 (7.1) | 77.7 (9.8) |
| 2–3 times a month | 153 (16) | 8.4 (14.3) | 74.9 (12.3) |
| Once a week | 96 (10) | 12.1 (12.1) | 73.4 (11.8) |
| Two or more times a week | 93 (10) | 16.8 (23.9) | 70.1 (12.7) |
↵a UK population norm 82.3 (SD 13.1), children with diabetes 77.5 (SD 12.2), asthma 72.0 (SD 17.5), and cancer 71.0 (SD 17.1).21 PedMIDAS = Pediatric Migraine Disability Assessment Score. PedsQL4 = Pediatric Quality of Life Inventory.