title: Prevalences of migraine and tension-type headache in adolescent girls of Shiraz (southern Iran).
abstract: OBJECTIVE
  To determine the prevalences of migraine and tension-type headache in teenaged girls attending schools in Shiraz (southern Iran).
  
  
  BACKGROUND
  Studies 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.
  
  
  METHODS
  A 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.
  
  
  RESULTS
  Overall 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.
  
  
  CONCLUSIONS
  It 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.
authors: Department of Biostatistics and Epidemiology, School of Public Health, Shiraz University of Medical Sciences, Islamic Republic of Iran.
authors: S M T
authors: SM
authors: Ayatollahi
authors: F
authors: F
authors: Moradi
authors: S A R
authors: SA
authors: Ayatollahi
mesh_terms: D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D007492:Iran / Q000453:epidemiology; D008881:Migraine Disorders / Q000453:epidemiology*; D015995:Prevalence; D011897:Random Allocation; D012307:Risk Factors; D018781:Tension-Type Headache / Q000453:epidemiology*