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Table 1 Demographic data of study participants (n = 646)

From: Diagnosing migraine in research and clinical settings: The validation of the Structured Migraine Interview (SMI)

Ethnicity Caucasian Indian Black    
  96% 2% 2%    
Education Post Graduate University National diploma/Certificate O or A Level CSE No qualification
  5.7% 9.8% 2.7% 55.6% 17.5% 8.8%
Occupation Professional Technical/Secretarial Full time Student Home making Self employed Unemployed
  51.2% 21.4 1.7% 11.9% 7.1% 6.7%