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Table 2 Changes in WPAI scores over time for patients with no change in UC disease activity status

From: Psychometric validation of the work productivity and activity impairment questionnaire in ulcerative colitis: results from a systematic literature review

  Change in mean WPAI scores from Time 1 to Time 2
Study N Status at both assessments Interval Absenteeism Presenteeism OWI Activity Impairment
Yarlas 2015b [37] 45 Complete remissiona 12 monthsc − 0.5 −4.2 − 4.8 0.2
Yarlas 2015b [37] 53 Partial remissionb 12 monthsc − 4.3 −1.1 −4.9 − 1.6
Weighted Mean differencesd − 2.6 −2.5 −4.9 −0.8
  1. OWI Overall Work Impairment, UC ulcerative colitis, WPAI Work Productivity and Activity Impairment questionnaire
  2. aComplete remission defined as UC-DAI total score ≤ 1, rectal bleeding and stool frequency components = 0, and ≥ 1-point reduction in endoscopy score from induction phase baseline
  3. bPartial remission defined as UC-DAI total score ≤ 3, combined score on rectal bleeding and stool frequency components ≤1, and not in complete remission
  4. cReceiving multimatrix mesalamine 2.4 g/day once daily
  5. dWeighted by sample size