Sound psychometric properties of the Swedish version of the Spinal Cord Independence Measure Self-Report.
Sophie Jörgensen, Emelie Butler Forslund, Ulrica Lundström and 4 others
PMID 33948671WHAT IT FOUND
The Swedish Spinal Cord Independence Measure Self-Report reliably scores overall physical independence in community settings.
It fails to group breathing, bladder, and bowel items into a single consistent score, so clinicians should interpret these subscale results with caution.
Key findings
01The total score and the Self-care and Mobility subscales show high internal consistency and test-retest reliability.
02The Respiration and sphincter management subscale has low internal consistency in both groups.
03A change of 5.3 points on the total score is the smallest difference that represents a real change for an individual.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTs
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What it does not show
The study excluded persons with the most severe spinal cord injuries, such as those using ventilators or full-time power wheelchairs. Participants were recruited from active rehabilitation programmes, so they may be more motivated than the general spinal cord injury population. The Respiration and sphincter management subscale showed poor internal consistency, suggesting the items in this domain do not measure a single unified concept. Peer mentors had higher rates of missing data for respiratory and toilet items compared to programme participants.
Declared interests
The authors have no conflicts of interest to declare.
The easy way to misread this
Do not interpret the Respiration and sphincter management subscale as a single valid measure of independence. The internal consistency for this subscale was very low, indicating that breathing, bladder, and bowel items do not reliably group together.