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Table 1 Self-reported migraine-related health characteristics among migraine patients

From: Burden of migraine among Japanese patients: a cross-sectional National Health and Wellness Survey

  Migraine patients with at least 4 monthly headache days
Continuous Variable N Mean (SD)
No. of years diagnosed of migraine 318 14.6 (10.3)
No. of migraines in the past 30 days 378 9.0 (7.3)
No. of migraines in the past 6 months 378 46.0 (42.4)
No. of headache days in the past 30 days 378 10.8 (7.5)
No. of days missed work due to migraines 378 2.8 (15.4)
No. of days missed household activities due to migraines 378 6.7 (22.4)
Categorical Variable N %
Monthly headache days
  ≥ 15 days 107 28.3%
  8–14 days 88 23.3%
  4–7 days 183 48.4%
Diagnosing physician
  Primary care physician/GP/Internist 175 55.0%
  Neurologist 72 22.6%
  Other 71 22.3%
Currently taking prescription to treat or prevent migraine 137 36.2%
HIT-6 impact grades
  Little-to-no impact (HIT-6 score: 36–49) 4 1.1%
  Moderate impact (HIT-6 score: 50–55) 25 6.6%
  Substantial impact (HIT-6 score: 56–59) 33 8.7%
  Severe impact (HIT-6 score: 60–78) 316 83.6%
Symptoms experienced
  Aura 85 22.5%
  Moderate to severe pain 240 63.5%
  Nausea and/or vomiting 224 59.3%
  Pulsating, throbbing, or pounding pain 329 87.0%
  Pain is worse on one side of your head or occurs on one side of your head only 278 73.5%
  Pain is made worse by routine activities such as walking or climbing stairs 196 51.9%
  Bothered by or unusually sensitive to light 217 57.4%
  Bothered by or unusually sensitive to sound 206 54.5%
  See spots, flashing lights, or “heat waves” before or during the migraine 99 26.2%
  Lasts for at least four hours but not more than 72 h if untreated 163 43.1%
  1. Abbreviations: SD Standard deviation, GP General practitioner, HIT-6 Headache Impact Test-6