Table 1 Prevalence (%) of active headache disorder by type, age (mid-range values of studies) and gender

 0–9

10

42.7

30.6–55.4

12

5.0

3.6–6.5

4

5.9

1.3–12.8

0

–

–

 10–19

60

57.9

52.0–63.9

61

13.4

11.4–15.6

40

25.1

18.8–31.6

14

3.3

2.3–4.0

 20–64

107

50.2

46.0–54.8

165

15.2

13.8–16.6

65

27.6

24.0–31.3

43

5.1

4.2–6.2

  ≥ 65

6

40.2

30.0–50.6

6

7.9

4.9–10.3

1

32.2

–

2

4.2

 All ages

183

52.0 (53.5)

48.9–55.4

244

14.0 (11.6)

12.9–15.2

110

26.0 (21.4)

22.7–29.5

59

4.6 (3.6)

3.9–5.5

 0–9

2

40.4

–

11

4.7

3.3–6.1

4

5.4

–

0

–

–

 10–19

39

51.4

43.8–58.6

36

10.2

8.4–12.2

16

25.5

16.2–35.5

6

1.4

0.7–2.2

 20–64

71

41.8

36.5–47.6

128

8.7

7.6–9.8

43

24.2

18. 7–30.0

33

3.2

2.4–4.3

  ≥ 65

5

27.8

–

5

4.5

–

1

28.1

–

2

2.2

–

 All ages

117

44.4 (46.2)

40.3–48.3

180

8.6 (7.4)

7.8–9.5

64

23.4 (17.9)

19.4–28.0

41

2.9 (1.9)

2.2–3.8

 0–9

2

41.5

–

11

5.6

3.9–7.3

4

6.4

–

0

–

–

 10–19

38

62.3

55.0–69.0

37

15.3

12.7–18.1

17

27.1

17.7–37.2

6

3.1

1.4–4.7

 20–64

74

56.5

51.4–61.4

131

18.6

17.0–20.5

44

28.8

23.2–35.4

33

6.6

5.2–8.0

  ≥ 65

5

50.4

–

5

10.6

–

1

36.3

–

2

5.8

–

 All ages

119

57.8 (60.0)

53.9–61.7

184

17.0 (15.5)

15.6–18.5

66

27.1 (21.0)

22.7–32.3

41

6.0 (5.2)

4.9–7.4