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Table 1 Demographic data and headache parameters for all three groups.

From: Hypervigilance or avoidance of trigger related cues in migraineurs? - A case-control study using the emotional stroop task

  Group
  Co EM FM
n 20 17 16
female 90.5% 85% 100%
age (M, SD) 39.8 (10.5) 41.35 (11.87) 43.4 (13.3)
migraine duration in years (M, SD) no headaches 22 (12) 27 (15)
migraine attacks per month (M, SD) no headaches 1.7 (1.2) 6.4 (2.7)
headache days per month (M, SD) no headaches 4.5 (2.2) 17.2 (6.37)
prophylaxis - betablockers a 5% 35% 16%
triggers b no headaches   
   stress   85% 81%
   hormones   30% 44%
   weather   50% 75%
   visual triggers   5% 50%
   sleep problems   55% 56%
  1. Co: healthy controls; EM: episodic migraine patients; FM: frequent migraine patients.
  2. a Most frequently named trigger factors of a list of 20.