Table 1.
Baseline characteristics of EVA Study participants for whom migraine status and at least one cognitive functioning test were available.
| Characteristic | No history of severe headache (N=938) |
Non-migraine headache (N=65) |
Migraine (N=167) |
|---|---|---|---|
| Mean age (yrs) (SD) | 68.9 (3.0) | 69.3 (3.1) | 69.0 (2.9) |
| Sex (% male) | 45.7 | 49.2 | 15.0 |
| Smoking status (%) | |||
| Never | 56.5 | 53.9 | 72.5 |
| Past | 34.5 | 33.9 | 22.8 |
| Current | 9.0 | 12.3 | 4.8 |
| Age at which schooling ended (yrs) (SD) | 16.9 (3.9) | 16.6 (4.0) | 16.8 (3.2) |
| Mean systolic blood pressure (mmHg) (SD) | 135.9 (20.6) | 135.2 (20.9) | 131.5 (20.9) |
| Mean diastolic blood pressure (mmHg) (SD) | 77.4 (12.3) | 76.4 (11.9) | 75.5 (13.2) |
| Mean total cholesterol (mmol) (SD) | 6.1 (1.0) | 6.1 (0.8) | 6.3 (1.0) |
| Mean body mass index (kg/m2) (SD) | 26.0 (3.8) | 25.7 (3.8) | 25.6 (4.1) |
| Mean daily alcohol consumption (ml) (SD) | 15.5 (17.9) | 15.9 (20.5) | 8.2 (11.9) |
| Diabetes (%) | 6.6 | 4.6 | 5.4 |
| Depressive symptoms (%) | 9.5 | 14.1 | 12.8 |
| MTHFR (% TT genotype) | 14.4 | 6.6 | 13.9 |
| APOE (% ε4 carrier) | 23.1 | 22.0 | 24.0 |