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Table 1 Symptom burden overall and by headache type (N = 2,344)

From: The burden attributable to primary headache disorders in children and adolescents in Ethiopia: estimates from a national schools-based study

Headache type

n

Mean frequency

(days/4 weeks)

Mean duration

(hours)

Estimated proportion of time in ictal state

(%)

Mean intensity

(scale 1–3)a

All headache

1,726

2.6 ± 3.2

2.7 ± 2.8

1.0

1.8 ± 0.7

Migraine

900

2.8 ± 2.9

3.6 ± 3.0

1.4

2.2 ± 0.6

Tension-type headache

477

2.0 ± 2.3

2.4 ± 2.3

0.7

1.7 ± 0.6

All headache on ≥ 15 days/monthb

29

16.1 ± 2.6

3.8 ± 3.4

9.1

2.1 ± 0.8

Undifferentiated headache

298

1.8 ± 2.3

0.5 ± < 0.1

0.1

1.0 ± < 0.1

  1. Means are presented ± SDs
  2. aEquating 1-3 to the reported categories “mild”, “moderate” and “severe”, and treating as continuous data. 
  3. bThere were too few cases of probable medication-overuse headache to analyse separately
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The Journal of Headache and Pain

ISSN: 1129-2377

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