Table 3 One-year prevalence of probable medication-overuse headache by age, gender and habitation (N = 28)

18-25

0 [0.0-2.8]

3 (2.4) [0.8-6.9]

3 (1.2) [0.4-3.4]

1 (1.2) [0.2-6.4]

2 (1.8) [0.5-6.3]

3 (1.5) [0.5-4.4]

1 (0.5) [0.1-2.6]

5 (2.1) [0.9-34.8]

6 (1.3) [0.6-2.9]

26-35

1 (0.6) [0.1-3.2]

1 (0.5) [0.1-2.6]

2 (0.5) [0.1-1.9]

1 (0.7) [0.1-4.0]

5 (3.2) [1.4-7.3]

6 (2.1) [0.9-4.4]

2 (0.7) [0.2-2.3]

6 (1.6) [0.7-3.5]

8 (1.2) [0.6-2.3]

36-45

0 [0.00-2.3]

1 (0.7) [0.1-3.9]

1 (0.3) [0.1-1.8]

0 [0.0-2.3]

1 (0.8) [0.1-4.3]

1 (0.3) [0.1-1.9]

0 [0.0-1.2]

2 (0.7) [0.2-2.6]

2 (0.3) [0.1-1.2]

46-55

0 [0.00-3.8]

2 (2.9) [0.8-9.9]

2 (1.2) [0.3-4.3]

0 [0.0-4.9]

3 (3.0) [1.0-8.5]

3 (1.7) [0.6-4.9]

0 [0.0-2.2]

5 (2.9) [1.3-6.8]

5 (1.5) [0.6-3.4]

56-65

0 [0.0-7.3]

3 (4.5) [1.5-12.4]

3 (2.6) [0.9-7.3]

1 (1.3) [0.2-7.2]

3 (3.9) [1.3-10.8]

4 (2.6) [1.0-6.6]

1 (0.8) [0.1-4.4]

6 (4.2) [1.9-8.8]

7 (2.6) [1.3-5.3]

All

1 (0.2) [0.0-0.9]

10 (1.6) [0.9-2.9]

11 (0.9) [0.5-1.6]

3 (0.6) [0.2-1.7]

14 (2.4) [1.5-4.1]

17 (1.5) [0.9-2.5]

4 (0.4) [0.1-0.9]

24 (2.0) [1.4-2.9]

28 (1.2) [0.8-1.7]