• Şeyda Candeniz, Seyit Çitaker, and Batuhan Bakirarar.
• Turk J Med Sci. 2019 Dec 16; 49 (6): 170717141707-1714.

Background/AimThis study aims to determine the validity and reliability of the Turkish version of the Neck OutcOme Score (NOOS).Materials And MethodsTwo hundred eight patients suffering from nonspecific neck pain participated in the study. Test–retest reliability and internal consistency were assessed using intraclass correlation coefficients (2, 1) and Cronbach’s alpha, respectively. The dimensionality was investigated with the factor analysis. The construct validity was determined by testing whether the hypothesis of correlations between NOOS subscales, Short Form-36 subscales, and the Neck Disability Index were met using Spearman’s rank correlation coefficient. Ceiling/floor effects and measurement error were tested as well.ResultsThe intraclass correlation coefficient results varied between 0.721 and 0.844. Cronbach’s alpha values of the subscale were found to be between 0.847 and 0.916 in the internal consistency analysis. The factor analysis showed that the questionnaire has five factors. Floor/ceiling effects were considered not to be present.ConclusionIt was found that the Turkish version of the NOOS is valid and reliable.This work is licensed under a Creative Commons Attribution 4.0 International License.

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