OMERACT Filter Evidence Supporting the Measurement of At-work Productivity Loss as an Outcome Measure in Rheumatology Research.

Dorcas E Beaton, Sarah Dyer, Annelies Boonen, Suzanne M M Verstappen, Reuben Escorpizo, Diane V Lacaille, Ailsa Bosworth, Monique A M Gignac, Amye Leong, Oana Purcaru, Sarah Leggett, Cathy Hofstetter, Ingemar F Peterson, Kenneth Tang, Bruno Fautrel, Claire Bombardier, Peter S Tugwell

    Research output: Contribution to journalArticlepeer-review


    OBJECTIVE: Indicators of work role functioning (being at work, and being productive while at work) are important outcomes for persons with arthritis. As the worker productivity working group at OMERACT (Outcome Measures in Rheumatology), we sought to provide an evidence base for consensus on standardized instruments to measure worker productivity [both absenteeism and at-work productivity (presenteeism) as well as critical contextual factors]. METHODS: Literature reviews and primary studies were done and reported to the OMERACT 12 (2014) meeting to build the OMERACT Filter 2.0 evidence for worker productivity outcome measurement instruments. Contextual factor domains that could have an effect on scores on worker productivity instruments were identified by nominal group techniques, and strength of influence was further assessed by literature review. RESULTS: At OMERACT 9 (2008), we identified 6 candidate measures of absenteeism, which received 94% endorsement at the plenary vote. At OMERACT 11 (2012) we received over the required minimum vote of 70% for endorsement of 2 at-work productivity loss measures. During OMERACT 12 (2014), out of 4 measures of at-work productivity loss, 3 (1 global; 2 multiitem) received support as having passed the OMERACT Filter with over 70% of the plenary vote. In addition, 3 contextual factor domains received a 95% vote to explore their validity as core contextual factors: nature of work, work accommodation, and workplace support. CONCLUSION: Our current recommendations for at-work productivity loss measures are: WALS (Workplace Activity Limitations Scale), WLQ PDmod (Work Limitations Questionnaire with modified physical demands scale), WAI (Work Ability Index), WPS (Arthritis-specific Work Productivity Survey), and WPAI (Work Productivity and Activity Impairment Questionnaire). Our future research focus will shift to confirming core contextual factors to consider in the measurement of worker productivity.
    Original languageEnglish
    Pages (from-to)214-222
    Number of pages8
    JournalThe Journal of rheumatology
    Issue number1
    Publication statusPublished - 2016


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