Structural validity and construct validity of the Dutch-Flemish PROMIS® physical function-upper extremity version 2.0 item bank in Dutch patients with upper extremity injuries

Introduction: Aim of this study was to validate the Dutch–Flemish Patient-Reported Outcomes Measurement Information System Physical Function–Upper Extremity version 2.0 item bank in patients with upper extremity injuries. Materials and methods: Cross-sectional study. Structural validity was assessed using Confirmatory Factor Analysis examining unidimensionality. In addition, a bi-factor model was fitted. Internal consistency was assessed by Cronbach’s alpha. Construct validity was examined by assessing correlations with legacy instruments Disability of Arm Shoulder and Hand, Patient Reported W... Mehr ...