Reliability of the clinical outcome variables scale when administered via telephone to assess mobility in people with spinal cord injury

Barker, Ruth N., Amsters, Delena I., Kendall, Melissa D., Pershouse, Kiley J., and Haines, Terry P. (2007) Reliability of the clinical outcome variables scale when administered via telephone to assess mobility in people with spinal cord injury. Archives of Physical Medicine and Rehabilitation, 88 (5). pp. 632-637.

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Abstract

Objective: To examine the equivalence reliability and test-retest reliability of the Clinical Outcome Variables Scale (COVS) when administered via telephone (TCOVS) to people with spinal cord injury (SCI).

Design: Equivalence (telephone administration vs in-person) and test-retest reliability study.

Setting: Assessments conducted in participants’ home environment.

Participants: Equivalence reliability was examined in a convenience sample of 37 people with a diagnosis of traumatic SCI who had been discharged from the Queensland Spinal Injuries Unit to the community. In a separate group of participants, test-retest reliability of COVS when administered via telephone was examined in 43 people with SCI who were randomly selected from the Queensland Spinal Cord Injuries Service records.

Interventions: Not applicable.

Main Outcome Measures: Reliability was assessed at the subscale and composite score level using intraclass correlation coefficients (ICC2,1) and Bland-Altman limits of agreement.

Results: Reliability was good for TCOVS and COVS for the composite score (ICC=.98), mobility subscale (ICC=.97), and ambulation subscale (ICC=.99). Reliability was also good for TCOVS test and retest assessments for the composite score (ICC=1), mobility subscale (ICC=1), and ambulation subscale (ICC=1). For all comparisons, most data points were within the 95% limits of agreement and the width of limits of agreement were considered to be clinically acceptable.

Conclusions: The study findings confirm the equivalence and test-retest reliability of the TCOVS in an SCI population when administered by trained raters.

Item ID: 2918
Item Type: Article (Refereed Research - C1)
Keywords: spinal cord injury; telephone interview; reproducibility of results; outcome measures
ISSN: 1532-821X
Date Deposited: 24 Sep 2009 04:08
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111703 Care for Disabled @ 100%
SEO Codes: 92 HEALTH > 9202 Health and Support Services > 920201 Allied Health Therapies (excl. Mental Health Services) @ 100%
Citation Count from Web of Science Web of Science 5
Downloads: Total: 3
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