Table 2 Prevalence of headache and migraine by age, gender, race and income
From: Migraine and behavior in children: influence of maternal headache frequency
No headache | Migraine with and without aura | |||||
|---|---|---|---|---|---|---|
n | % | Relative risk (95 % confidence interval) | n | % | Relative risk (95 % confidence interval) | |
Age | ||||||
5, 6 | 109 | 24.8 | Reference | 14 | 3.2 | Reference |
7, 8 | 127 | 18.7 | 0.7 (0.6–0.9) | 42 | 6.2 | 1.9 (1.1–3.5) |
9, 10+ | 109 | 14.8 | 0.6 (0.5–0.8) | 62 | 8.4 | 2.6 (1.5–4.7) |
Gender | ||||||
Female | 159 | 17.7 | Reference | 55 | 6.1 | Reference |
Male | 186 | 19.4 | 1.1 (0.9–1.3) | 63 | 6.6 | 1.1 (0.7–1.5) |
Race | ||||||
White | 201 | 18.6 | Reference | 65 | 6.0 | Reference |
Non-white | 126 | 18.0 | 1.0 (0.8–1.2) | 51 | 7.3 | 1.2 (0.8–1.7) |
Not stated | 18 | 24.0 | 1.3 (0.8–2.0) | 2 | 2.7 | 0.4 (0.1–1.8) |
Income class | ||||||
A, B | 49 | 14.9 | Reference | 13 | 3.9 | Reference |
C | 178 | 18.2 | 1.2 (0.9–1.6) | 66 | 6.8 | 1.7 (1.0–3.1) |
D, E | 118 | 21.4 | 1.4 (1.1–1.9) | 39 | 7.1 | 1.8 (1.0–3.3) |
Total | 345 | 18.6 | 118 | 6.4 | ||