Skip to main content

Table 3 Number of headache days and working days affected by headache in 3 months, and the impact of headaches on work productivity by WPAI

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

  M TTH M/TTH HA p-valuea
Headache (days), mean (SD) 5.5 (8.4) 2.4 (6.5) 6.4 (12.3) 3.9 (10.4) < 0.001
Severe Headache (days), mean (SD) 1.9 (3.6) 0.5 (2.4) 1.6 (2.6) 1.1 (4.6) < 0.001
One day off (days), mean (SD) 0.3 (0.9) 0.1 (1.2) 0.2 (0.5) 0.1 (0.6) 0.084
Half day off (days), mean (SD) 0.2 (1.6) 0.1 (0.9) 0.1 (0.4) 0.1 (0.5) 0.081
Reduced productivity (days), mean (SD) 1.0 (2.4) 0.2 (1.3) 0.8 (2.1) 0.5 (2.3) < 0.001
The impact of headaches on work productivity
 WPAI score, mean (SD) 4.7 (2.7) 2.0 (2.1) 4.1 (2.8) 3.5 (2.6) < 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, WPAI work productivity and activity impairment questionnaire
  3. aOne-way ANOVA