Discriminant Validity of the Western Ontario and McMaster Universities Osteoarthritis Index Physical Functioning Subscale in Community Samples With Hip Osteoarthritis

Abstract

Pua Y-H, Cowan SM, Wrigley TV, Bennell KL. Discriminant validity of the Western Ontario and McMaster Universities Osteoarthritis Index Physical Functioning Subscale in community samples with hip osteoarthritis. Objective: To evaluate, in a community hip osteoarthritis (OA) sample, the discriminant validity of the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) physical functioning (PF) subscale to differentiate between self-report measures of pain and physical function. Design: Cross-sectional. Setting: Human movement laboratory of a university. Participants: Adults (N=100; 60 women, 40 men; age, 62.3±10.1y) with radiographically confirmed symptomatic hip OA. Intervent..