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Open Access Open Badges Research article

Discriminant validity, responsiveness and reliability of the rheumatoid arthritis-specific Work Productivity Survey (WPS-RA)

Jane T Osterhaus1*, Oana Purcaru2 and Lance Richard3

Author Affiliations

1 Wasatch Health Outcomes, 2613 Silver Cloud Drive, Park City, UT 84060, USA

2 Global Health Outcomes Research, UCB Pharma, Chemin du Foriest, 1420 Braine-l'Alleud, Belgium

3 Global Health Outcomes Research, UCB Pharma, 208 Bath Road Slough, Berkshire SL1 3WE, UK

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Arthritis Research & Therapy 2009, 11:R73  doi:10.1186/ar2702

Published: 20 May 2009

Additional files

Additional file 1:

A copy of the WPS-RA questionnaire.

Format: DOC Size: 36KB Download file

This file can be viewed with: Microsoft Word Viewer

Open Data