OMERACT consensus-based operational definition of contextual factors in rheumatology clinical trials: A mixed methods study

S.M. Nielsen, M. Boers, M. de Wit, B. Shea, D.A. van der Windt, B.C. Reeves, D. Beaton, R. Alten, K.T. April, A. Boonen, R. Escorpizo, C. Flurey, D.E. Furst, F. Guillemin, A. Leong, C. Pohl, M.U. Rasmussen, J.A. Singh, J.S. Smolen, V. StrandS.M.M. Verstappen, M. Voshaar, T.G. Woodworth, T. Ellingsen, L. March, G.A. Wells, P. Tugwell, R. Christensen*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Web of Science)
Original languageEnglish
Pages (from-to)601-606
Number of pages6
JournalSeminars in Arthritis and Rheumatism
Issue number3
Publication statusPublished - 1 Jun 2021


  • Contextual factors
  • Delphi survey
  • Effect modifying contextual factors
  • Outcome explaining contextual factors
  • Measurement affecting contextual factors

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