Table 1.
Demographic characteristics of the WGHS according to migraine status.
| Full migraineurs# | Probable# migraineurs | Other# migraineurs | Controls# | Effect size* | P-val† | |
|---|---|---|---|---|---|---|
| N | 1,422 | 836 | 745 | 18,108 | ||
| Age (yrs) | 52.5 (5.4) | 52.8 (5.9) | 53.4 (6.2) | 55.0 (7.3) | 0.1 | <0.001 |
| BMI (kg/m2) | 26.4 (5.3) | 26.1 (4.9) | 25.6 (4.6) | 25.9 (4.9) | 0.03 | <0.001 |
| Hormone replacement usage | 693 (48.7%) | 386 (46.2%) | 355 (47.6%) | 7,723 (42.7%) | 0.02 | <0.001 |
| History of diabetes | 29 (2%) | 14 (1.7%) | 12 (1.6%) | 481 (2.7%) | 0.02 | 0.06 |
| History of hypertension | 351 (24.7%) | 176 (21.1%) | 181 (24.3%) | 4,465 (24.6%) | 0.02 | 0.13 |
| Ever smoker | 663 (46.6%) | 373 (44.6%) | 339 (45.5%) | 8,953 (49.4 %) | 0.02 | 0.01 |
| LDL cholesterol (mg/dl) | 124.36 (34.3) | 124.25 (32.9) | 123.62 (33.4) | 124.13 (34.2) | 0.003 | 0.97 |
| HDL cholesterol (mg/dl) | 52.83 (14.9) | 53.06 (14.4) | 53.52 (14.7) | 53.89 (15.1) | 0.02 | 0.03 |
| Triglycerides (mg/dl) | 151.39 (89.9) | 147.08 (92.9) | 149.31 (98.3) | 142.76 (91.7) | 0.02 | 0.001 |
Mean (standard deviation) or N (%).
p-value from one-way ANOVA (continuous variables) or chi-square test (categorical variables).
Cohen's f: 0.1 denotes a small effect size, 0.3 denotes a medium effect size, and 0.5 denotes a large effect size.