Validation of the Dutch-Flemish PROMIS Pain Interference Item Bank in Patients With Musculoskeletal Complaints

STUDY DESIGN: A cross-sectional study. OBJECTIVE: The aim of this study was to validate the Dutch-Flemish PROMIS Pain Interference item bank in patients with musculoskeletal complaints. SUMMARY OF BACKGROUND DATA: PROMIS item banks have been developed and validated in the US. They need to be further validated in various patient populations and in different languages. METHODS: One thousand six hundred seventy-seven patients answered the full item bank. A Graded Response Model (GRM) was used to study dimensionality with confirmatory factor analyses and by assessing local independency. Monotonici... Mehr ...