Abstract
Background/aim This study aims to determine the validity and reliability of the Turkish version of the Neck OutcOme Score (NOOS).Materials and methods Two 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.Results The 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.Conclusion It was found that the Turkish version of the NOOS is valid and reliable.
Highlights
Neck pain is one of the three most reported complaints of the musculoskeletal system
It was found that the Turkish version of the Neck OutcOme Score (NOOS) is valid and reliable
Floor and ceiling effects According to the initial values, no floor and ceiling effects were observed in the NOOS and Neck Disability Index (NDI), and score distributions were found at acceptable levels in both (Table 2)
Summary
Neck pain is one of the three most reported complaints of the musculoskeletal system. It is estimated that between 22% and 70% of the population will experience some degree of neck pain in their lives [2,3]. Evaluating the level of neck pain is important in determining an individual’s quality of life, participation in everyday life, and limitations. The methods used for identifying the factors that cause these determined limitations and aggravate the pain include clinical examinations, psychological evaluations, and investigation of sociodemographic and economic factors. In addition to these evaluation parameters, functional scales are used more commonly by clinicians and clinical researchers [4]
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