Table 3 Bivariate logistic regression analyses of associations of each headache type with gender, age, household consumption, habitation and altitude
From: The prevalence of primary headache disorders in Nepal: a nationwide population-based study
| Â | Migraine | Tension-type headache | Probable medication-overuse headache | |||
|---|---|---|---|---|---|---|
OR [95Â % CI] | p | OR [95Â % CI] | p | OR [95Â % CI] | p | |
Gender | ||||||
 Male | Reference | – | Reference | – | Reference | – |
 Female | 1.6 [1.3–1.9] | <0.001 | 0.7 [0.6–0.9] | 0.002 | 2.2 [1.1–4.4] | 0.020 |
Age (years) | ||||||
 18–25 | Reference | – | Reference | – | Reference | – |
 26–35 | 1.3 [0.99–1.6] | 0.057 | 0.7 [0.6–0.9] | 0.010 | 2.7 [1.01–7.4] | 0.049 |
 36–45 | 1.2 [0.9–1.6] | 0.12 | 0.6 [0.5–0.8] | <0.001 | 1.6 [0.5–4.9] | 0.44 |
 46–55 | 1.1 [0.8–1.5] | 0.45 | 0.8 [0.6–1.1] | 0.085 | 2.7 [0.9–8.2] | 0.088 |
 56–65 | 1.1 [0.8–1.6] | 0.41 | 0.6 [0.4–0.8] | <0.001 | 3.7 [1.2–11.4] | 0.023 |
Household consumption (USD/year) | ||||||
 950–1,200 | Reference | – | Reference | – | Reference | – |
 <950 | 1.1 [0.8–1.3] | 0.74 | 0.9 [0.7–1.1] | 0.35 | 0.6 [0.3–1.4] | 0.25 |
 >1,200 | 0.99 [0.8–1.3] | 0.99 | 1.1 [0.9–1.4] | 0.40 | 1.5 [0.8–3.0] | 0.22 |
Habitation | ||||||
 Rural | Reference | – | Reference | – | Reference | – |
 Urban | 0.9 [0.8–1.1] | 0.53 | 1.4 [1.2–1.7] | <0.001 | 1.3 [0.7–2.4] | 0.34 |
Household altitude | ||||||
 <1,000 m | Reference | – | Reference | – | Reference | – |
 ≥1,000 m | 1.7 [1.4–2.0] | <0.001 | 0.7 [0.6–0.8] | <0.001 | 1.4 [0.8–2.6] | 0.25 |