A Systematic Review of Health-related Work Outcome Measures, and Quality Criteria based Evaluations of their Psychometric Properties

Publication date: Available online 15 July 2016
Source:Archives of Physical Medicine and Rehabilitation
Author(s): B.A. Mateen, C. Doogan, K. Hayward, S. Hourihan, J. Hurford, E.D. Playford
ObjectiveTo examine the state of psychometric validation in the health-related work outcome literature.Data SourcesWe searched Pubmed, PMC, CINAHL, EMBASE [+ EMBASE Classic], and PsycINFO, from inception to January 2016., using the search terms: Stroke, Multiple Sclerosis, Epilepsy, Spinal Cord Injury, Brain Injury, Musculoskeletal Disease, Work, Absenteeism, Presenteeism, Occupation, Employment, Job, Outcome measure, Assessment, Work Capacity Evaluation, Scale, and Questionnaire.Study Selection & Data Extraction597 outcome measures were identified from the 22,676 retrieved abstracts. Inclusion was based on content analysis. 95 health-related work outcome measures were retained, of which two were treated as outliers and therefore are discussed separately. All six authors individually organized the 93 remaining scales based on their content. A follow-up search using the same sources, and time period, with the name of the outcome measures and the following terms: Psychometric, Reliability, Validity, Responsiveness, identified 263 unique Classical Test Theory (CTT) psychometric property datasets for the 93 tools. An assessment criterion for psychometric properties was applied to each manuscript, and where consensus was not achieved, the rating delivered by the majority of the assessors was reported.Data Synthesis18 of the manuscripts reporting psychometric data were not accessible and therefore could not be assessed. 39 scored less than 20% of the maximum achievable score, 106 between 20-40%, 82 between 40- 60%, 15 scored between 60-80%, and only 1 scored above 80%. The three outcome measures associated with the highest scoring datasets were the Sheehan Disability Scale, the Fear Avoidance Beliefs Questionnaire, and the Assessment of Subjective Handicap of Epilepsy scales. And finally, only 2 psychometric validation datasets reported the complete set of baseline psychometric properties.ConclusionThis systematic review highlights the current limitations of the health-related work outcome measure literature, including the limited number of robust tools available.



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