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Table 1 Demographic characteristics in individuals with chronic migraine from the community and a clinic-based sample

From: Psychiatric comorbidities of chronic migraine in community and tertiary care clinic samples

  Community (n = 41) Headache center (n = 43) p value
Gender
 Men 7 (17.1 %) 2 (4.7 %) 0.09**
 Women 34 (82.9 %) 41 (95.3 %)  
Education (years of study)
 ≤8 26 (78.8 %) 5 (11.6 %) <0.001*
 9–11 5 (15.2 %) 15 (34.9 %)  
 ≥12 2 (6.1 %) 23 (53.5 %)  
Age
 Mean (SD) 41.2 (17.2) 35.7 (12.6) 0.19***
 Range 13–73 18–63  
  1. * Chi-square, ** Fisher, *** Mann–Whitney