Utility of the Oswestry Disability Index for studies of back pain related disability in nurses: Evaluation of psychometric and measurement properties

Dawson, Anna P., Steele, Emily J., Hodges, Paul W. and Stewart, Simon (2010) Utility of the Oswestry Disability Index for studies of back pain related disability in nurses: Evaluation of psychometric and measurement properties. International Journal of Nursing Studies, 47 5: 604-607. doi:10.1016/j.ijnurstu.2009.10.013


Author Dawson, Anna P.
Steele, Emily J.
Hodges, Paul W.
Stewart, Simon
Title Utility of the Oswestry Disability Index for studies of back pain related disability in nurses: Evaluation of psychometric and measurement properties
Journal name International Journal of Nursing Studies   Check publisher's open access policy
ISSN 0020-7489
1873-491X
Publication date 2010-05-01
Year available 2009
Sub-type Article (original research)
DOI 10.1016/j.ijnurstu.2009.10.013
Volume 47
Issue 5
Start page 604
End page 607
Total pages 4
Place of publication Bromley, United Kingdom
Publisher Elsevier
Language eng
Formatted abstract
Background
Disability due to back pain in nurses results in reduced productivity, work absenteeism and attrition from the nursing workforce internationally. Consistent use of outcome measures is needed in intervention studies to enable meta-analyses that determine efficacy of back pain preventive programs.

Objective

This study investigated the psychometric and measurement properties of the Oswestry Disability Index (ODI) in nursing students to determine its suitability for assessing back pain related disability in intervention studies.

Methods

Bachelor of Nursing students were recruited. Test–retest reliability and the ability of the ODI to discriminate between individuals with serious and non-serious back pain were investigated. The measurement error of the ODI was examined with the minimal detectable change at the 90% confidence level (MDC90).

Results

Student nurses (n = 214) had a low mean ODI score of 8.8 ± 7.4%. Participants with serious back pain recorded higher scores than the rest of the cohort (p < 0.05). Test–retest reliability examined in 33 individuals was ICC = 0.88 (95%CI 0.77–0.94). The MDC90 = 6%, and 36% of nursing students scored below the MDC90 indicating the tool had limited ability to detect longitudinal change in disability in this population.

Conclusion

Data from this and previous studies demonstrate that the measurement properties of the ODI are inappropriate for studying back pain related disability in nurses. The ODI is not recommended for back pain intervention studies in the nursing population and an alternative tool that is sensitive to lower levels of disability must be determined.
© 2009 Elsevier Ltd. All rights reserved.
Keyword Back pain
Disability evaluation
Questionnaire
Nursing
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online 16 December 2009

 
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Created: Fri, 12 Mar 2010, 00:39:57 EST by Kathleen Reinhardt on behalf of School of Health & Rehabilitation Sciences