Reliability of home-based remote and self-assessment of transfers using the Transfer Assessment Instrument among wheelchair users with spinal cord injury

Libak Abou, Lynn A. Worobey, Stephanie K. Rigot, Elizabeth Stanley, Laura A. Rice

Research output: Contribution to journalArticlepeer-review

Abstract

Study design: Cross-sectional study. Objective: To evaluate the reliability of home-based remote and self-assessment of transfer quality using the Transfer Assessment Instrument (TAI) among wheelchair users with spinal cord injury (SCI). Setting: Participant’s home environment. Methods: Eighteen wheelchair users with SCI transferred from their wheelchair to a surface of their choice (bed, sofa, or bench) in their homes. During a live video conference, the transfer was recorded and evaluated live using the TAI (rater 1). Participants completed a self-assessment of their transfer using the TAI- questionnaire (TAI-Q). Two additional raters (raters 2 & 3) completed asynchronous assessments by watching recorded videos. Interrater reliability was assessed using Intraclass Coefficient Correlations (ICC) to compare rater 1 with the average of raters 2 & 3 and TAI-Q. Intrarater reliability was assessed by rater 1 completing another TAI by watching the recorded videos after a 4-week delay. Assessments were compared using paired sample t-tests and level of agreement between TAI scores was evaluated using Bland–Altman plots. Results: Moderate to good interrater and good intrarater reliability were found for the total TAI score with ICCs: 0.57–0.90 and 0.90, respectively. Moderate to good intrarater and interrater reliability were found for all TAI subscores (ICC: 0.60–0.94) except for interrater reliability of flight/landing which was poor (ICC: 0.20). Bland–Altman plots indicate no systematic bias related to the measurement of error. Conclusions: The TAI is a reliable outcome measure for assessing the wheelchair and body setup phases of home-based transfers remotely and through self-assessment among individuals with SCI.

Original languageEnglish (US)
Article number10
JournalSpinal cord series and cases
Volume9
Issue number1
DOIs
StatePublished - Dec 2023

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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