The Neck Disability Index-Russian Language Version (NDI-RU): A Study of Validity and Reliability

Spine
Maxim A BakhtadzeDmitry A Bolotov

Abstract

Cross-cultural adaptation and psychometric testing. To perform a validated Russian translation and then to evaluate the validity and reliability of the Russian language version of the Neck Disability Index (NDI-RU). Neck pain is highly prevalent and can greatly affect daily activity. The Neck Disability Index (NDI) is the most frequently used scale for self-rating of disability due to neck pain. Its translated versions are applied in many countries. However, the Russian language version of the NDI has not been developed yet. Cross-cultural adaptation of the NDI-RU was performed according to established guidelines. Then, the NDI-RU was evaluated for content validity, concurrent criterion validity, internal consistency, test-retest reliability, factor structure, and minimum detectable change. Two hundred thirty-two patients took part in the study in total: 109 in validity (39.5 ± 10 yr), 123 in reliability (38.4 ± 11 yr; 80 in the test-retest phase). A culturally valid translation was achieved. NDI-RU total scores were distributed normally. Floor/ceiling effects were absent. Good values of Cronbach α were obtained for each item (from 0.80 to 0.84) and for the total NDI-RU (0.83). A 2-factor solution was found for the NDI-RU. The ...Continue Reading

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Citations

Sep 27, 2018·Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova·M A BakhtadzeI V Lusnikova
Nov 25, 2018·BMC Musculoskeletal Disorders·Domenico AngilecchiaFrancesca Bonetti
Apr 5, 2017·Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova·M A BakhtadzeD A Bolotov
Jul 22, 2016·Archives of Physiotherapy·Leonardo PellicciariStefano Vercelli
Jan 15, 2020·Global Spine Journal·Fan JiangMichael G Fehlings

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