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Table 4 Annual economic loss per person due to absenteeism and presenteeism

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

  M TTH M/TTH HA p-valuea
Absenteeism (calculated by MIDAS)
 Day off (US$), mean (SD) 238.3 (739.9) 82.9 (1142) 153.9 (409.2) 123.0 (511.0) 0.080
 Half day off (US$), mean (SD) 90.2 (462.7) 30.1 (431.3) 40.2 (163.7) 47.8 (209.3) 0.111
Presenteeism
 Calculated by MIDAS (US$), mean (SD) 375.4 (1039) 70.9 (533.8) 324.1 (878.1) 191.1 (967.1) < 0.001
 Calculated by WPAI (US$), mean (SD) 2217 (4497) 562.1 (266) 2621 (6077) 1267 (4356) < 0.001
  1. Continuous variables are reported as mean (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, MIDAS migraine disability assessment score, WPAI work productivity and activity impairment questionnaire
  3. aOne-way ANOVA