Metric properties of the Utrecht Scale for Evaluation of Rehabilitation-Participation (USER-Participation) in persons with spinal cord injury living in Switzerland.
- Mader L Swiss Paraplegic Research, Guido A. Zäch Strasse 4, CH-6207 Nottwil, Switzerland. E-mail address: martin.brinkhof@paraplegie.ch.
- Post MW
- Ballert CS
- Michel G
- Stucki G
- Brinkhof MW
- 2016-03-02
Published in:
- Journal of rehabilitation medicine. - 2016
Adult
Cross-Sectional Studies
Female
Humans
Male
Middle Aged
Patient Participation
Patient Reported Outcome Measures
Patient Satisfaction
Psychometrics
Reproducibility of Results
Spinal Cord Injuries
Switzerland
English
OBJECTIVE
To examine the metric properties of the Utrecht Scale for Evaluation of Rehabilitation-Participation (USER-Participation) in persons with spinal cord injury in Switzerland from a classical and item response theory perspective.
DESIGN
Cross-sectional survey.
SUBJECTS
Persons with spinal cord injury living in the Swiss community (n = 1,549).
METHODS
Score distributions and internal consistency were evaluated using Classical Test Theory. The Restrictions and Satisfaction scales were subjected to Rasch analysis. Anchored analyses were performed to account appropriately for items with structural missing.
RESULTS
Internal consistency was good for the Restrictions (α = 0.90) and Satisfaction scales (α = 0.90), but not for the Frequency scale (α = 0.65). Rasch analyses showed acceptable model fit for the Restrictions and Satisfaction scales after collapsing response categories of some items and merging some items into testlets. Differential item functioning was small. Anchoring allowed inclusion of the item work/education in the Restrictions scale and work/education and/or partner relationship in the Satisfaction scale.
CONCLUSION
The Restrictions and Satisfaction scales of the USER-Participation showed satisfactory metric properties. The Frequency scale showed fewer optimal properties, but nonetheless provides important additional information regarding participation. Conversion tables were performed to transform USER-Participation raw scores into a 0-100 interval scale using Rasch-based ability estimates for use in epidemiological studies.
To examine the metric properties of the Utrecht Scale for Evaluation of Rehabilitation-Participation (USER-Participation) in persons with spinal cord injury in Switzerland from a classical and item response theory perspective.
DESIGN
Cross-sectional survey.
SUBJECTS
Persons with spinal cord injury living in the Swiss community (n = 1,549).
METHODS
Score distributions and internal consistency were evaluated using Classical Test Theory. The Restrictions and Satisfaction scales were subjected to Rasch analysis. Anchored analyses were performed to account appropriately for items with structural missing.
RESULTS
Internal consistency was good for the Restrictions (α = 0.90) and Satisfaction scales (α = 0.90), but not for the Frequency scale (α = 0.65). Rasch analyses showed acceptable model fit for the Restrictions and Satisfaction scales after collapsing response categories of some items and merging some items into testlets. Differential item functioning was small. Anchoring allowed inclusion of the item work/education in the Restrictions scale and work/education and/or partner relationship in the Satisfaction scale.
CONCLUSION
The Restrictions and Satisfaction scales of the USER-Participation showed satisfactory metric properties. The Frequency scale showed fewer optimal properties, but nonetheless provides important additional information regarding participation. Conversion tables were performed to transform USER-Participation raw scores into a 0-100 interval scale using Rasch-based ability estimates for use in epidemiological studies.
- Language
-
- English
- Open access status
- gold
- Identifiers
-
- DOI 10.2340/16501977-2010
- PMID 26926920
- Persistent URL
- https://sonar.ch/global/documents/273436
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