Development and psychometric properties of short form of central sensitization inventory in participants with musculoskeletal pain: A cross-sectional study
Adult
Male
Central Nervous System Sensitization
Psychometrics
Science
Q
R
Reproducibility of Results
Personal Satisfaction
Middle Aged
16. Peace & justice
03 medical and health sciences
Cross-Sectional Studies
0302 clinical medicine
Musculoskeletal Pain
Surveys and Questionnaires
Quality of Life
Medicine
Humans
Female
10. No inequality
Research Article
Aged
DOI:
10.1371/journal.pone.0200152
Publication Date:
2018-07-05T13:42:50Z
AUTHORS (6)
ABSTRACT
The central sensitization inventory (CSI) comprises 25 items and is commonly used to measure somatic and emotional symptoms related to central sensitization symptoms. CSI was developed as an easy-to-administer screening instrument for patients at high risk of developing central sensitization in whom it was essential to quickly evaluate the condition. The purpose of the present study was to develop a short form of CSI and evaluate its psychometric properties using a contemporary approach called Rasch analysis.A total of 505 patients with musculoskeletal disorders were recruited in this study. The CSI, pain intensity, pain interference, and the health-related quality of life (QOL) were evaluated for each participant. The original CSI items were consecutively analyzed using the Rasch model. Successive Rasch analyses were performed until a final set of items satisfied the model fit requirements. We also analyzed the psychometric properties of the original and short forms of CSI.Four consecutive Rasch analyses identified the removable items. Finally, the shortest questionnaire obtained that maintained the correct psychometric properties based on the Rasch model contained only 9 items (CSI-9). Rasch analysis showed that the CSI-9 had acceptable internal consistency, exhibited unidimensionality, had no notable differential item functioning, and was functional on the category rating scale.The nine-item short form of CSI has acceptable psychometric properties and is suitable for use for patients with musculoskeletal pain. Thus, the CSI-9 can be used as a brief instrument to evaluate central sensitization.
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