Discriminant validity, responsiveness and reliability of the rheumatoid arthritis-specific Work Productivity Survey (WPS-RA) - Osterhaus, Jane T; Purcaru, Oana; Richard, Lance (Arthritis research & therapy, 2009)
Keywords: Adult; Aged; Aged, 80 and over; Antirheumatic Agents - therapeutic use; Arthritis, Rheumatoid - diagnosis; Arthritis, Rheumatoid - drug therapy; Arthritis, Rheumatoid - psychology; Care and treatment; Data Collection - methods; Data Collection - standards; Diagnosis; Disability Evaluation; Discriminant Analysis; Double-Blind Method; Efficiency; Female; Health aspects; Humans; Male; Middle Aged; Patient outcomes; Quality of Life - psychology; Rheumatoid arthritis; Rheumatoid factor; Work Capacity Evaluation; Young Adult; Belgium; United States