Julian Thumboo|Ling-Huo Chew|Chang-Heok Soh
Validation of the Western Ontario and McMaster University Osteoarthritis Index in Asians with Osteoarthritis in Singapore
Tan Tock Seng Hospital
assess reliability validity western ontario mcmaster university osteoarthritis index womac outcome measure asian patients knee hip osteoarthritis oa singaporethe womac administered twice 7 days apart 66 consecutive englishspeaking chinese malay indian inpatients outpatients knee hip oa seen tertiary referral centre structured interview also assessed demographic characteristics internal consistency assessed using cronbachs alpha reliability using spearmans correlations intraclass correlations repeatability coefficients relationships womac domains known determinants function using spearmans correlations mannwhitney utestthe womac showed good internal consistency alpha070 093 good reliability intraclass correlations 083 090 mean testretest score differences 002 013 points possible range 4 points results likert scoring assessment supported validity womac interpreted context close association pain physical function eight nine priori hypotheses relating womac pain physical function scores known determinants function present supporting construct validity scalethe womac valid reliable outcome measure asian patients oa singapore