Table 3 Comparison of weighted one-year prevalences of primary headaches in Estonia [6] and in the online sample
From: The applicability of web-based solutions in headache epidemiology research
PRIMARY HEADACHES | Weighted one-year prevalences (%) with 95% CIs in Estonian population aged 20–64 | Weighted one-year prevalences (%) with 95% CIs in the online study sample |
|---|---|---|
All headache | 41.0 (38.2–43.8) | 23.1 (22.0–24.3) |
All migraine | 17.7 (15.7–20.0) | 7.6 (6.9–8.3) |
● Episodic migraine | 16.8 (14.8–19.1) | 7.0 (6.4–7.8) |
Definite | 6.6 (5.3–8.2) | 3.0 (2.6–3.5) |
Probable | 10.2 (8.6–12.1) | 4.0 (3.5–4.6) |
● Chronic migraine | 0.9 (0.5–1.7) | 0.5 (0.4–0.8) |
Definite | 0.7 (0.4–1.4) | 0.2 (0.1–0.4) |
Probable | 0.2 (< 0.1–0.7) | 0.3 (0.2–0.5) |
All tension-type headache | 18.0 (15.9–20.3) | 13.2 (12.3–14.1) |
● Episodic TTH | 16.5 (14.4–18.7) | 12.2 (11.4–13.2) |
Definite | 11.8 (10.1–13.8) | 8.5 (7.8–9.3) |
Probable | 4.7 (3.6–6.0) | 3.7 (3.2–4.3) |
● Chronic TTH | 1.5 (1.0–2.5) | 0.9 (0.7–1.2) |
Definite | 1.5 (0.9–2.4) | 0.6 (0.4–0.8) |
Probable | 0.1 (< 0.001–0.5) | 0.3 (0.2–0.5) |
Trigeminal autonomic cephalalgias | 0.4 (0.1–1.0) | 0.1 (0.0004–0.2) |
Other primary headaches | 2.5 (1.7–3.5) | 1.1 (0.8–1.4) |
Chronic daily headache (headache > 15 days a month) | 2.7 (1.9–3.8) | 1.4 (1.1–1.8) |
Unidentifiable | 2.0 (1.3–3.0) | 0.8 (0.6–1.1) |