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Table 5 WPAI:UC scores for the maintenance phase sample at acute and maintenance phase visits

From: Changes in health-related quality of life and work-related outcomes for patients with mild-to-moderate ulcerative colitis receiving short-term and long-term treatment with multimatrix mesalamine: a prospective, open-label study

   Baseline Week 3 Week 8 Month 12 Post hoc comparisons (Bonferroni-adjusted P [α/4])
N LS Mean SE LS Mean SE LS Mean SE LS Mean SE P Baseline vs. Week 3 Baseline vs. Week 8 Baseline vs. Month 12 Week 8 vs. Month 12
Absenteeism 260 12.1 1.60 5.2 1.19 2.6 0.78 3.8 0.93 1.0000
Presenteeism 264 32.6 1.62 16.3 1.17 9.6 0.96 13.4 1.44 0.1015
Overall work impairment 260 38.9 1.92 20.1 1.54 11.5 1.24 15.7 1.72 0.2222
Activity impairment 395 38.9 1.36 20.6 1.05 10.7 0.78 15.4 1.17
  1. LS least squares, SE standard error, WPAI:UC Work Productivity and Activity Impairment questionnaire for ulcerative colitis
  2. Findings for each outcome are based on mixed-effects models for repeated measures with subject as a random effect and visit as a fixed effect
  3. Week 8 includes early withdrawal visits during the acute phase. “Month 12” includes early withdrawal visits during the maintenance phase
  4. P < 0.01, ‡P < 0.001