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