The Spinal Cord Injury-Functional Index/Assistive Technology Short Forms

Publication date: Available online 29 April 2016
Source:Archives of Physical Medicine and Rehabilitation
Author(s): Mary D. Slavin, Pengsheng Ni, David S. Tulsky, Pamela A. Kisala, Allen W. Heinemann, Susan Charlifue, Denise C. Fyffe, Daniel E. Graves, Ralph J. Marino, Leslie R. Morse, David Rosenblum, Denise Tate, Lynn A. Worobey, Mary Beth Dawson, Alan M. Jette
ObjectiveEvaluate the psychometric properties of the Spinal Cord Injury Functional Index/Assistive Technology (SCI-FI/AT) short forms (SFs) in the domains of Basic Mobility, Self-Care, Fine Motor Function, and Ambulation based on: internal consistency; correlations between SFs and full item banks, and a 10-item computerized adaptive test (CAT) version; magnitude of ceiling and floor effects; and measurement precision across a broad range of function in a sample of adults with spinal cord injury (SCI).DesignCross-sectional cohort study.ParticipantsA sample of 460 adults with traumatic SCI stratified by level of injury (paraplegia/tetraplegia), completeness of injury, and time since SCI.InterventionsNot applicable.Main outcome measuresSCI-FI/AT full item bank, 10-item CAT, and SFs (with separate Self-Care and Fine Motor Function SFs for persons with tetraplegia and paraplegia).ResultsThe SCI-FI/AT SFs demonstrated very good internal consistency, group-level reliability, excellent correlations between SFs and scores based on the CAT version and the total item bank. Ceiling and floor effects are acceptable (except for unacceptable ceiling effects for persons with paraplegia on the Self-Care and Fine Motor Function SFs). The test information functions are excellent across a broad range of functioning typical of persons with paraplegia and tetraplegia.ConclusionsClinicians and researchers should consider using the SCI-FI/AT SFs to assess functioning with the use of AT when CAT applications are not available.



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