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

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 file 1:

A copy of the WPS-RA questionnaire.

Format: DOC Size: 36KB Download file

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