Table 1. Prevalence (%) of migraine according to the ID-MS classification by socio-demographic characteristics.
| Socio-demographic characteristics | migraine classes according to the ID-MS classification | Total | p-value § | ||||
|---|---|---|---|---|---|---|---|
| other headaches (N = 389) | unlikely migraine (N = 898) | probable migraine (N = 1372) | definite migraine (N = 1765) | ||||
| % | % | % | % | N | % | ||
| Gender | |||||||
| Female | 7.0 | 18.1 | 29.9 | 45.0 | 3265 | 73.8 | <0.0001* |
| Male | 13.7 | 26.4 | 34.3 | 25.6 | 1159 | 26.2 | |
| Educational level | |||||||
| Low | 8.2 | 20.1 | 28.3 | 43.4 | 1112 | 25.1 | 0,0001* |
| Medium | 8.9 | 18.7 | 30.7 | 41.7 | 1900 | 42.9 | |
| High | 9.1 | 22.7 | 33.5 | 34.7 | 1412 | 31.9 | |
| Residence area | |||||||
| North | 9.3 | 19.6 | 31.3 | 39.8 | 3726 | 84.2 | 0,004* |
| Center, South and Isles | 6.2 | 24.1 | 29.4 | 40.4 | 698 | 15.8 | |
| Age in years | mean value | ||||||
| mean | 46.0 | 45.5 | 44.6 | 45.1 | 45.1 | 0.21 | |
| Total (%) | 8.8 | 20.3 | 31.0 | 39.9 | 4424 | ||
§ p-values referred to the chi-square or Monte-Carlo exact tests on the distribution of the socio-demographic characteristics across all ID-MS classes
* Statistically significant