CRP and Headache: In the multivariate analyses, adjusting for age and sex, elevated hs-CRP was associated with any headache (OR 1.11, 95% CI 1.05–1.17), migraine (OR 1.23, 95% CI 1.13–1.34), MA (OR 1.26, 95% CI 1.13–1.40), MO (OR 1.17, 95% CI 1.03–1.32), and other headache (OR 1.08, 95% CI 1.02–1.14).