• S M T Ayatollahi, F Moradi, and S A R Ayatollahi.
• Department of Biostatistics and Epidemiology, School of Public Health, Shiraz University of Medical Sciences, Islamic Republic of Iran.
• Headache. 2002 Apr 1;42(4):287-90.

ObjectiveTo determine the prevalences of migraine and tension-type headache in teenaged girls attending schools in Shiraz (southern Iran).BackgroundStudies of headache prevalence are numerous, and findings have varied according to the specific population and region involved. No data are available regarding headache prevalence among Iranian teenagers.MethodsA random sample of 1868 teenaged girls (aged 11 to 18 years) was evaluated, and 507 subjects reported headache. The headache disorders were classified on the basis of a clinical interview, general physical and neurologic examinations, and the diagnostic criteria of the International Headache Society. Logistic regression was used for data analysis.ResultsOverall prevalence rate for migraine was 6.1% (95% CI, 5.0 to 7.2) and for tension-type headache, 12.1% (95% CI, 10.6 to 13.6). Migraine and tension-type headache were significantly associated.ConclusionsIt is concluded that exposition of subjects to sunlight, type of food, and a family history of headache had most significant effects on occurrence of migraine and tension-type headaches.

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