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Table 1 Headache classification

From: Disability, quality of life, productivity impairment and employer costs of migraine in the workplace

  M TTH M/TTH HA NHA Total p-value
Number, n (%) 328 (13) 1300 (53) 88 (4) 360 (15) 382 (15) 2458  
 male, n 205 1093 61 265 339 1963  
 female, n 123 207 27 95 43 495  
Age (years), mean (SD) 44.5 (8.6) 46.9 (8.7) 45.5 (8.3) 44.2 (9.6) 46.0 (10.8) < 0.001a
BMI (kg/m2), mean (SD) 23.0 (3.7) 23.7 (3.7) 23.4 (3.7) 23.2 (3.5) 23.5 (3.6)   0.049a
  1. Continuous variables are reported as mean (standard deviation [SD]) for non-missing observations
  2. M migraine group, TTH tension-type headache group, M/TTH a group that satisfies the diagnostic criteria for migraine and tension-type headache, HA a group that does not meet the diagnostic criteria for migraine or tension-type headache, NHA a group that does not have headache, BMI body mass index
  3. aOne-way ANOVA