Table 1 Observed 1-year prevalences, and estimates adjusted for age, gender and habitation

Any headache

64.6

57.6 [54.5–60.6]

71.5 [68.7–74.2]

65.5% [63.5–67.4]

Migraine

22.4 [20.6–24.2]

16.4 [14.3–18.8]

28.2 [2.6–3.1]

22.8% [21.0-24.6]

 Definite

15.6 [14.1–17.2]

11.8 [10.0-13.9]

19.3 [17.0-21.8]

 Probable

6.8 [5.8–7.9]

4.6 [3.4-6.0]

8.9 [7.3–10.8]

Tension-type headache

37.7 [35.7–39.8]

37.7 [34.7–40.6]

37.8 [43.9–40.8]

38.9% [36.8–41.0]

 Definite

32.9 [31.0–35.0]

33.6 [30.8–36.5]

32.3 [29.5–35.2]

 Probable

4.8 [3.9–5.8]

4.0 [2.9–5.4]

5.5 [4.3–7.1]

Probable medication-overuse headache

1.1 [0.7–1.7]

0.8 [0.4–1.6]

1.4 [0.8–2.3]

1.2% [0.8–1.8]

Other headache on ≥ 15 days/month

3.4 [2.6–4.2]

2.6 [1.8–3.8]

4.1 [3.0-5.4]

2.7% [2.1–3.5]