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Titre : | An Evaluation of the Structural Validity of the Work Limitation Questionnaire Using the Rasch Model (2021) |
Auteurs : | Ze Lu ; Joy C. MacDermid ; L. Packham Tara ; Dianne Bryant ; Kenneth Faber |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (Vol. 102, n° 4, 2021) |
Article en page(s) : | p. 633-644 |
Note générale : | https://doi.org/10.1016/j.apmr.2020.11.009 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Efficacité au travail ; Présentéisme ; Réadaptation ; Travail |
Résumé : |
Objective
To investigate the targeting, scaling, and structural validity of the Work Limitation Questionnaire (WLQ) using Rasch analysis. Design Secondary data analysis. Setting Tertiary care hospital. Participants The data were sourced from an upper limb specialty clinic of injured workers using the convenience sampling method and from a national randomized controlled trial investigating 2 surgical options for rotator cuff repair by formal, randomized selection (N=315). Interventions Not applicable. Main Outcome Measures Work Limitation Questionnaire 25-item version (WLQ-25). The WLQ contains 25 items measuring a clients ability to perform specific job demands on a 5-point ordinal response scale ranging from 0 (difficulty none of the time) to 4 (difficulty all the time). The average of all 25 items is used as the total score, ranging from 0 to 4, where higher index scores indicate greater difficulty performing daily work. Subscales were used to assess time management, physical demands (PD), mental-interpersonal demands, and output demands. Results The Rasch analyses performed on the dataset included the test of fit of residuals, ordering of item thresholds, Person separation index, differential item functioning (DIF), dependency, and unidimensionality. The partial credit model was selected for the current Rasch analysis because the likelihood ratio test was significant at both the overall questionnaire and the subscale level (P<.001 the wlq-25 did not fit with rasch model df="125;" p and most of thresholds were disordered. a series steps undertaken to improve statistic including item reduction items response merging dif was absent in revised scale based on sex age full- or part-time employment type employment. only subscales namely pd mental demands interpersonal demonstrated acceptable model.> Conclusions The WLQ-25 demonstrated substantial misfit from the Rasch model, which could not be fully mediated. The revised PD, mental demands, and interpersonal demands subscales could be used to assess these constructs. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S0003999320313150#! |