Table 1 Headache yesterday according to diagnosis, and comparison with predicted 1-day prevalence based on reported frequency and 1-year prevalence
Headache type | Headache yesterday (HY) | Predicted 1-day prevalence | |||
|---|---|---|---|---|---|
Participants with HY (%) | Total sample (%) | 1-year prevalence in sample (%) | Mean headache days/month | Calculated 1-day prevalence (%) | |
All headache | 100.0 | 14.5 | 62.9 | 7.1 ± 8.3 | 14.6 |
Episodic migraine | 24.9 | 3.6 | 20.3 | 4.4 ± 3.5 | 2.9 |
Episodic TTH | 24.2 | 3.5 | 30.9 | 3.5 ± 3.1 | 3.5 |
Headache on ≥15 days/month | 49.5 | 7.2 | 10.5 | 23.1 ± 6.7 | 8.0 |