We conducted the first population-based migraine survey in Taipei, Taiwan, using a validated questionnaire administered by interviewers during the period from August 1997 to June 1998. Our target population comprised all individuals (age ≥ 15 years) in 1400 randomly selected households. Migraine diagnoses were made according to the classification criteria of migraine without aura proposed by the International Headache Society, 1988, except that attacks with a duration of between 2 h and 4 h were also included. Of the 4434 eligible subjects in the 1211 respondent households, 3377 (76%) completed the questionnaire. After adjustment for age and sex distribution according to the population structure, the prevalence of migraine was 9.1% (F/M 14.4%/4.5%). Fifty-four percent of the subjects with migraine had consulted a physician about their headaches in the past year. However, only 18% of them reported that their migraine had been diagnosed by physicians. This study found that Taipei residents have the highest migraine prevalence of all Chinese populations studied, although it is still in the low range of prevalence compared with the results from Western countries.
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