Psychometric validation of the authorized Polish version of the Neck Disability Index

Abstract

The Polish version of the NDI showed good psychometric properties. It can be used both in clinical and research practice. Implications for Rehabilitation The Polish version of the NDI, developed by MAPI Research Institute, was researched on a sample of 95 patients with neck pain. The psychometric properties of the adapted version of the NDI were satisfactory. The Polish version of the NDI proved to be useful in clinical practice as well as in research.