In this issue of the Scandinavian Journal of Pain Jan Borre Johansen and his co-workers publish an important study in which they have validated the Norwegian version of the Neck Disability Index (NDI) . This questionnaire has been in wide use globally for almost a quarter of a century . It is thoroughly validated as a reliable outcome-measure of the pain and many of the negative consequences on functioning and aspects of health-related quality of life of a chronic pain-in-the-neck.1Inaccurate translations of original text of questionnairesTranslation of a well functioning questionnaire to another language can easily lead to nuances of meanings of statements and questions, so that the questionnaire may assess something different from what it was intended to do in the original language version.2Different cultures may cause misunderstandingsIn addition to different nuances in meanings of translated words, cultural differences between countries may change the meaning of a question and the answer given . Although a version of the NPI translated to Norwegian has been in use for several years , it has not been tested for reliability and responsiveness to changes in neck pain and its consequences for the patient. Therefore, this validation-study by Johansen and his co-workers
Scandinavian Journal of Pain – de Gruyter
Published: Dec 29, 2017
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