Cross-Cultural Adaptation, Validity, and Reliability Study of the Turkish Version of Back Performance Scale

STUDY DESIGN.Validation of a performance scale. OBJECTIVE.The purpose of this study is to investigate adaptation, validity, and reliability of the Turkish version of the Back Performance Scale (BPS). SUMMARY OF BACKGROUND DATA.Low back pain affects people of all ages and causes pain, disability, and...

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Bibliographic Details
Published in:Spine (Philadelphia, Pa. 1976) Pa. 1976), 2019-01, Vol.44 (1), p.E39-E44
Main Authors: Maras, Gokhan, Citaker, Seyit, Meray, Jale
Format: Article
Language:English
Subjects:
Adult
Correlation of Data
Cross-Cultural Comparison
Disability Evaluation
Disabled Persons
Factor Analysis, Statistical
Female
Humans
Low Back Pain - diagnosis
Low Back Pain - ethnology
Low Back Pain - psychology
Male
Middle Aged
Reproducibility of Results
Surveys and Questionnaires - standards
Turkey - ethnology
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Summary:STUDY DESIGN.Validation of a performance scale. OBJECTIVE.The purpose of this study is to investigate adaptation, validity, and reliability of the Turkish version of the Back Performance Scale (BPS). SUMMARY OF BACKGROUND DATA.Low back pain affects people of all ages and causes pain, disability, and psychosocial problems. BPS is a condition-specific performance measure of activity limitation in patients with low back pain. The purpose of this study is to investigate the cross-cultural adaptation, validity, and reliability of the Turkish version of the BPS. METHODS.The study included 180 patients with low back pain. For the reliability assessment of the scale, test-retest, and internal consistency analyses were performed. The results of the test-retest analysis were analyzed by Intraclass Correlation Coefficient (ICC) method. For the internal consistency, Cronbach Alpha value was calculated and to construct validity, total points of the BPS were compared with the total points of Roland Morris Disability Questionnaire (RMDQ) and Oswestry Disability Index (ODI) using Pearson correlation coefficient analysis. RESULTS.BPS was found to have high internal consistency (Cronbach alpha value 0.827). Test-retest results were found highly correlated (range from 0.723 to 0.899). Factor analysis indicated that the scale had one factor. BPS is well correlated with RMDQ and ODI (Pearson correlation coefficient with RMDQ 0.576 and with ODI 0.603). CONCLUSION.The Turkish version of BPS is valid and reliable.Level of Evidence3
ISSN:0362-2436
1528-1159
DOI:10.1097/BRS.0000000000002771