Table 5 Observed and age- and gender-standardised prevalence of migraine by altitude and gender
From: The prevalence of primary headache disorders in Nepal: a nationwide population-based study
Physiographic division and altitude | Observed prevalence in sample | Standardised prevalence* [20] | |||||
|---|---|---|---|---|---|---|---|
N | All n (%) | Male n (%) | Female n (%) | All % | Male % | Female % | |
Terai <500Â m | 1,000 | 287 (28.7) | 86 (22.0) | 201 (33.0) | 27.9 | 22.1 | 32.9 |
Hill | Â | Â | Â | Â | Â | Â | Â |
1,000–1,499 m | 470 | 176 (37.7) | 57 (31.1) | 119 (41.5) | 36.5 | 31.6 | 40.7 |
1,500–1,999 m | 160 | 68 (42.5) | 31 (39.7) | 37 (45.1) | 44.4 | 41.3 | 47.0 |
Mountain | Â | Â | Â | Â | Â | Â | Â |
2,000–2,499 m | 254 | 116 (45.7) | 46 (41.1) | 70 (49.3) | 45.5 | 40.8 | 49.6 |
≥2,500 m | 216 | 81 (37.5) | 29 (29.9) | 52 (43.7) | 37.9 | 31.4 | 43.6 |