Table 2 Symptomatic medication use (frequency) overall and by headache type (N = 2505)
Headache type | n | Preceding week | Preceding 4 weeks |
|---|---|---|---|
days (mean ± SD) | |||
All headache (all ages) | 1858 | 0.5 ± 1.0 | 1.5 ± 2.8 |
ages 7–11 y | 866 | 0.5 ± 1.0 | 1.1 ± 2.3 |
ages 12–17 y | 992 | 0.5 ± 1.0 | 1.8 ± 3.1 |
Migraine | 519 | 0.8 ± 1.2 | 2.0 ± 2.5 |
Tension-type headache | 605 | 0.4 ± 0.9 | 1.3 ± 2.0 |
Probable medication-overuse headache | 18 | 3.9 ± 1.7 | 18.2 ± 4.2 |
Other headache on ≥15 days/month | 73 | 1.1 ± 1.4 | 3.9 ± 4.2 |
Undifferentiated headache | 601 | 0.2 ± 0.6 | 0.5 ± 1.1 |