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. 2019 Nov 6;20(1):101. doi: 10.1186/s10194-019-1050-8

Table 2.

Prevalence (% [95% confidence interval]) of headache type (N = 3386) by gender and school grade

Headache type Total sample Girls Boys
Total 5th grade 7th grade 9th grade 11th grade Total 5th grade 7th grade 9th grade 11th grade
UdH 26.1 [24.6;27.6] 26.5 [24.5;28.5] 32.8 [26.8;38.8] 31.5 [27.1;35.9] 23.7 [20.4;27.0] 23.3 [19.8;26.8] 25.5 [23.3;27.7] 23.8 [18.6;29.0] 31.2 [26.8;35.6] 22.4 [18.5;26.3] 23.7 [19.4;28.0]
All migraine 24.2 [22.8;25.6] 28.1 [26.1;30.1] 18.1 [13.2;23.0] 23.1 [19.1;27.1] 31.4 [27.8;35.0] 32.5 [28.6;36.4] 19.5 [17.5;21.5] 17.2 [12.6;21.8] 21.2 [17.3;25.1] 18.8 [15.2;22.4] 19.9 [15.8;24.0]
 Definite migraine 6.3 [5.5;7.1] 6.9 [5.8;8.0] 10.1 [6.3;13.9] 5.3 [3.2;7.4] 5.3 [3.6;7.0] 8.7 [6.4;11.0] 5.5 [4.3;6.7] 10.9 [7.1;14.7] 4.7 [2.7;6.7] 4.1 [2.7;6.7] 4.3 [2.2;6.4]
 Probable migraine 18.0 [16.7;19.3] 21.2 [19.3;23.1] 8.0 [4.5;11.5] 17.8 [14.2;21.4] 26.1 [22.7;29.5] 23.8 [20.3;27.3] 14.0 [12.2;15.8] 6.3 [3.3;9.3] 16.5 [13.0;20.0] 14.7 [11.4;18.0] 15.6 [11.9;19.3]
All TTH 21.6 [20.2;23.0] 22.4 [20.5;24.3] 14.3 [9.8;18.8] 23.1 [19.1;27.1] 22.0 [18.8;25.2] 25.6 [22.0;29.2] 20.7 [18.6;22.8] 15.6 [11.6;20.1] 18.1 [14.5;21.7] 20.4 [16.6;24.2] 27.4 [22.9;31.9]
 Definite TTH 15.1 [13.9;16.3] 15.2 [13.6;16.8] 8.4 [4.9;11.9] 14.4 [11.1;17.7] 15.0 [12.2;17.8] 19.0 [15.8;22.2] 14.9 [13.1;16.7] 12.9 [8.8;17.0] 13.7 [10.4;17.0] 13.1 [10.0;16.2] 19.9 [15.8;24.0]
 Probable TTH 6.5 [5.7;7.3] 7.2 [6.0;8.4] 5.9 [2.9;8.9] 8.8 [6.1;11.5] 7.0 [5.0;9.0] 6.6 [4.5;8.7] 5.7 [4.5;6.9] 2.7 [0.7;4.7] 4.4 [2.5;6.3] 7.2 [4.8;9.6] 7.5 [4.8;10.2]
All H15+ 3.0 [2.4;3.6] 4.1 [3.2;5.0] 4.2 [1.6;6.8] 3.0 [1.4;4.6] 5.5 [3.7;7.3] 3.2 [1.7;4.7] 1.7 [1.0;2.4] 0.8 [0.0;1.9] 1.4 [0.3;2.5] 2.3 [0.9;3.7] 1.9 [0.5;3.3]
 pMOH 0.9 [0.6;1.2] 1.0 [0.5;1.5] 0.4 [0.0;1.2] 0.5 [0.0;1.2] 1.2 [0.4;2.0] 1.4 [0.4;2.4] 0.9 [0.4;1.4] 0.8 [0.0;1.9] 0.5 [0.0;1.2] 1.4 [0.3;2.5] 0.8 [0.0;1.7]
 Other H15+ 2.0 [1.5;2.5] 3.0 [2.2;3.8] 3.8 [1.4;6.2] 2.5 [1.0;4.0] 4.2 [2.6;5.8] 1.8 [0.7;2.9] 0.8 [0.3;1.3] 0.0 0.9 [0.0;1.8] 0.9 [0.0;1.8] 1.1 [0.0;2.2]
Unclassifiable 0.7 [0.4;1.0] 1.0 [0.5;1.5] 1.3 [0.0;2.7] 1.6 [0.4;2.8] 0.8 [0.1;1.5] 0.7 [0.0;1.4] 0.4 [0.1;0.7] 0.4 [0.0;1.2] 0.5 [0.0;1.2] 0.5 [0.0;1.2] 0.3 [0.0;0.9]

UdH Undifferentiated headache, TTH Tension-type headache, H15+ Headache on ≥15 days/month, pMOH Probable medication-overuse headache (see text)