Test-Retest Reliability and Agreement of the Work Ability Index-Single Item in Persons With Physical Disabilities
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View abstract on PubMed
Summary
This summary is machine-generated.The Work Ability Index-Single Item (WAS) demonstrates reliable test-retest results for assessing work ability in individuals with physical disabilities. This tool is valuable for routine outcome measurement in vocational rehabilitation settings.
Area Of Science
- Rehabilitation Medicine
- Occupational Health
- Disability Studies
Background
- Assessing work ability is crucial for individuals with physical disabilities.
- The Work Ability Index-Single Item (WAS) is a brief tool for self-reported work capacity.
- Reliability data for the WAS in this population is limited.
Purpose Of The Study
- To evaluate the test-retest reliability and agreement of the WAS.
- To determine the suitability of the WAS for persons with physical disabilities.
Main Methods
- A test-retest reliability study design was employed.
- Participants with physical disabilities completed the WAS at two time points, 2-4 weeks apart.
- Intraclass Correlation Coefficient (ICC) and Bland-Altman plots were used for analysis.
Main Results
- The study included 44 patients with physical disabilities.
- After excluding an outlier, the ICC was 0.89 (95% CI, 0.76-0.96) for the WAS.
- Mean difference was -0.05 points with limits of agreement of ±2.4 points.
Conclusions
- The WAS demonstrates good test-retest reliability and agreement in persons with physical disabilities.
- The WAS is a reliable measure for assessing work ability in this population.
- The WAS can be a valuable routine outcome measure in vocational rehabilitation.
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