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Table 4 Age- and multivariable-adjusted hazard ratios for all-cause mortality according to migraine frequency (N = 27,844)

From: Migraine, headache, and mortality in women: a cohort study

Migraine or headache status:No migraine (N = 18,691)Non-migraine headache (N = 4025)Past history of migraine (N = 1518)Active Migraine < 1/month (N = 2727)Active migraine at least monthly (N = 703)Active migraine weekly or daily (N = 180)
HR -ref-HR (95% CI)HR (95% CI)HR (95% CI)HR (95% CI)HR (95% CI)
All-cause death,N36146413063567322
Age-adjusteda1 (ref)1.04 (0.96–1.13)1.02 (0.91–1.15)0.91 (0.82–1.02)0.85 (0.68–1.08)0.87 (0.58–1.33)
Multivariable-adjustedb1 (ref)1.01 (0.93–1.10)1.00 (0.89–1.12)0.94 (0.84–1.05)0.94 (0.74–1.19)0.92 (0.61–1.40)
  1. Abbreviations: HR Hazard ratio, CI Confidence interval, ref., reference category
  2. a,Adjusted for age at baseline
  3. bAdjusted for the following variables measured at baseline: age, BMI, total cholesterol, smoking, alcohol use, physical activity, diabetes, hypertension, family history of myocardial infarction, and family history of cancer
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