Predictors | p value | Estimate relative risk (95 % CI) |
---|---|---|
Sex (female vs. male) | 0.001* | 2.276 (1.418–3.652) |
Residence (urban vs. rural) | 0.322 | 1.272 (0.790–2.050) |
Marital status (married vs. single) | 0.238 | 2.282 (0.580–8.985) |
Family history of headache | < 0.001* | 3.278 (2.044–5.256) |