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Table 4 Binary logistic regression analysis of associations of headache types with demographic variables (N = 4266)

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

Variable Migraine Tension-type headache All headache on ≥ 15 d/m Undifferentiated headache
Adjusted odds ratio [95% CI]
Gender
 male (n = 2107) reference reference reference reference
 female (n = 2159) 1.4 [1.2–1.6]3 1.2 [1.02–1.4]1 2.0 [1.5–2.8]3 0.95 [0.7–1.2]
Age group (years)
 6–11 (n = 2241) reference reference reference reference
 12–17 (n = 2025) 1.9 [1.65–2.2]1 2.9 [2.5–3.5]3 3.1 [2.2–4.25]3 1.5 [1.2–1.9]2
Pupils’ home income*
 “higher” (n = 1378) 0.7 [0.5–0.96]1 1.7 [1.2–2.5]2 0.7 [0.4–1.3] 2.0 [1.2–3.4]1
 “middle” (n = 2015) 0.9 [0.6–1.3] 1.4 [0.9–2.4] 1.0 [0.4–2.7] 1.7 [0.8–3.5]
 “lower” (n = 873) reference reference reference reference
School locality
 urban (n = 1831) 1.1 [0.9–1.3] 0.8 [0.6–0.97]1 1.6 [1.03–2.5]1 0.6 [0.4–0.94]1
 semi-rural or rural (n = 2435) reference reference reference reference
  1. d/m days/month; adjusted for all variables listed; *see text for explanation; significant values are emboldened (1p < 0.05; 2p < 0.01; 3p < 0.001)