Work (Reading, Mass.) · 2015
Long term test-retest reliability of Oswestry Disability Index in male office workers.
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Irmak Rafet, Baltaci Gul, Ergun Nevin
Аннотация
BACKGROUND: The Oswestry Disability Index (ODI) is one of the most common condition specific outcome measures used in the management of spinal disorders. But there is insufficient study on healthy populations and long term test-retest reliability. This is important because healthy populations are often used for control groups in low back pain interventions, and knowing the reliability of the controls affects the interpretation of the findings of these studies.
OBJECTIVE: The purpose of this study is to determine the long term test-retest reliability of ODI in office workers.
METHODS: Participants who have no chronic low back pain history were included in study. Subjects were assessed by the Turkish-ODI 2.0 (e-forms) on 1st, 2nd, 4th, 8th, 15th, 30th days to determine the stability of ODI scores over time. The study began with 58 (12 female, 46 male) participants. 36 (3 female, 33 male) participated for the full 30 days.
STATISTICS: Kolmogorov-Smirnov and Friedman tests were used. Test-retest reliability was evaluated by using nonparametric statistics. All tests were done by using SPSS-11.
RESULTS: There was no statistically significant difference among the median scores of each day. (χ= 6.482, p > 0.05).
CONCLUSION: The difference between median score of the days with 1st day was neither statistically nor clinically significant. ODI has long term test re-test reliability in healthy subjects over a 1 month time interval.
OBJECTIVE: The purpose of this study is to determine the long term test-retest reliability of ODI in office workers.
METHODS: Participants who have no chronic low back pain history were included in study. Subjects were assessed by the Turkish-ODI 2.0 (e-forms) on 1st, 2nd, 4th, 8th, 15th, 30th days to determine the stability of ODI scores over time. The study began with 58 (12 female, 46 male) participants. 36 (3 female, 33 male) participated for the full 30 days.
STATISTICS: Kolmogorov-Smirnov and Friedman tests were used. Test-retest reliability was evaluated by using nonparametric statistics. All tests were done by using SPSS-11.
RESULTS: There was no statistically significant difference among the median scores of each day. (χ= 6.482, p > 0.05).
CONCLUSION: The difference between median score of the days with 1st day was neither statistically nor clinically significant. ODI has long term test re-test reliability in healthy subjects over a 1 month time interval.