1 Helsinki Institute for Information Technology, Department of Computer Science, Aalto University, Finland. [email protected]. Supported by the Academy of Finland, Grants 252083 and 256287. 2 Helsinki Institute for Information Technology, Department of Computer Science University of Helsinki, Finland. [email protected] Supported by the Academy of Finland, Grant 125637. 3 Utrecht Univ...

BACKGROUND Cross cultural validity is of vital importance for international comparisons. OBJECTIVE To investigate the validity of international Dutch-English comparisons when using the Dutch translation of the Western Ontario and McMaster Universities osteoarthritis index (WOMAC). PATIENTS AND METHODS The dimensionality, reliability, construct validity, and cross cultural equivalence of the...