Headache
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To determine the 1-year prevalence of headache and clinical characteristics of primary headaches among school children in South Korea. ⋯ Recurrent primary headaches are quite prevalent among school-aged children and adolescents in South Korea, and the prevalence rates are similar to those reported elsewhere. TTH was more common than migraine. The prevalence of migraine headache increased with age. The prevalence rate of headache in students in urban and suburban areas was significantly higher than the rate of students in rural areas.