Variables associated with headache in patients with SLE, using logistic regression.
| Explanatory Variable | OR | 95% CI | p |
|---|---|---|---|
| Age | 0.99 | 0.96–1.02 | 0.677 |
| Sex, female | 2.77 | 0.62–12.26 | 0.181 |
| SLEDAI | 1.09 | 0.98–1.22 | 0.129 |
| SDI | 0.92 | 0.63–1.35 | 0.672 |
| APS | 0.70 | 0.25–1.93 | 0.421 |
| aPL | 0.86 | 0.93–1.04 | 0.365 |
| Chronic analgesic intake | 0.43 | 0.19–0.99 | 0.049 |
| Average CPSS score | 1.09 | 1.03–1.14 | 0.001 |
aPL: antiphospholipid antibodies; APS: antiphospholipid syndrome; CPSS: Cohen Perceived Stress Scale; SDI: Systemic Lupus International Collaborating Clinics/ACR Damage Index; SLEDAI: Systemic Lupus Erythematosus Disease Activity Index; ACR: American College of Rheumatology.