Table 2.
Associations between type and severity of intimate partner violence and migraine
| No migraine (N=1410) | Any migraine (N=656) | Adjusted OR* (95% CI) | Probable migraine (N=464) | Adjusted OR* (95% CI) | Migraine (N=192) | Adjusted OR* (95% CI) | |
|---|---|---|---|---|---|---|---|
| Any lifetime physical or sexual violence | |||||||
| No | 63.8 | 53.0 | 1.00 (Reference) | 53.2 | 1.00 (Reference) | 52.6 | 1.00 (Reference) |
| Yes | 36.2 | 47.0 | 1.44 (1.19–1.75) | 46.8 | 1.38 (1.12–1.69) | 47.4 | 1.46 (1.07–1.99) |
| Physical violence only | 28.2 | 34.8 | 1.36 (1.10–1.68) | 34.5 | 1.37 (1.08–1.73) | 35.4 | 1.37 (0.97–1.92) |
| Moderately severe | 21.0 | 25.9 | 1.38 (0.91–1.85) | 25.4 | 1.34 (1.05–1.70) | 27.1 | 1.42 (0.98–2.05) |
| Severe | 7.2 | 8.8 | 1.30 (0.99–1.02) | 9.1 | 1.51 (1.10–2.06) | 8.3 | 1.02 (0.99–1.05) |
| Sexual violence only | 2.1 | 2.9 | 1.76 (0.97–3.21) | 2.4 | 1.45 (0.71–2.96) | 4.2 | 2.51 (1.11–5.68) |
| Both physical and sexual violence | 6.0 | 9.3 | 1.61 (1.12–2.31) | 9.9 | 1.71 (1.14–2.55) | 7.8 | 1.37 (0.75–2.50) |
Note: “Probable migraine” reflects ICHD-2 category 1.6.1, “Migraine” reflects ICHD-2 category 1.1, and “Any migraine” refers to the aggregate of women with probable migraine and migraine.
*
Odds ratios (OR) and 95% CI (95% confidence interval) are adjusted for maternal age, parity and access to basic foods.