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Table 4 Bivariate analyses of associations of headache types with demographic variables (N = 2344)

From: The prevalence of headache disorders in children and adolescents in Ethiopia: a schools-based study

Variable Migraine Tension-type headache All headache on ≥ 15 d/m Undifferentiated headache
Odds ratio [95% CI]
Gender:
 Male (n = 1157) reference reference reference reference
 Female (n = 1187) 1.2 [1.02–1.4]1 1.05 [0.9–1.3] 1.06 [0.5–2.2] 1.0 [0.8–1.3]
Age group (years)
 6–11 (n = 1011) reference reference reference reference
 12–17 (n = 1333) 0.9 [0.8–1.05] 1.4 [1.2–1.8]3 1.7 [0.8–3.7] 1.5 [1.2–2.0]3
Pupils’ home-incomea
 Higher-middle or middle (n = 963) 0.9 [0.8–1.1] 1.3 [1.1–1.6]1 1.8 [0.9–3.7] 1.4 [1.1–1.8]2
 Lower-middle or low (n = 1381) reference reference reference reference
School locality
 Urban (n = 849) 1.4 [1.2–1.6]3 1.1 [0.9–1.3] 1.1 [0.5–2.3] 1.0 [0.8–1.3]
 Semi-rural or rural (n = 1495) reference reference reference reference
  1. d/m days/month; asee text or Table 1 for explanation; significant values are emboldened (1 p < 0.05; 2 p < 0.01; 3 p < 0.001)