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Titre : | Another Look at the PART-O Using the Traumatic Brain Injury Model Systems National Database: Scoring to Optimize Psychometrics (2016) |
Auteurs : | James F. Malec ; Gale G. Whiteneck ; Jennifer A. Bogner |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (2016/2, 2016) |
Article en page(s) : | pp. 211217 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Évaluation de résultat (soins) ; Rééducation et réadaptation |
Mots-clés: | Community participation ; Participation communautaire ; Outcome assessment (health care) |
Résumé : |
Objective To integrate previous approaches to scoring the Participation Assessment with Recombined Tools-Objective (PART-O) in a unidimensional scale. Design Retrospective analysis of PART-O data from the Traumatic Brain Injury Model Systems. Setting Community. Participants Data from individuals (N=469) selected randomly from participants who completed 1-year follow-up in the Traumatic Brain Injury Model Systems were used in Rasch model development. The model was subsequently tested on data from additional random samples of similar size at 1-, 2-, 5-, 10-, and >15-year follow-ups. Interventions Not applicable. Main Outcome Measure PART-O. Results After combining items for productivity and social interaction, the initial analysis at 1-year follow-up indicated relatively good fit to the Rasch model (person reliability=.80) but also suggested item misfit and that the 0-to-5 scale used for most items did not consistently show clear separation between rating levels. Reducing item rating scales to 3 levels (except combined and dichotomous items) resolved these issues and demonstrated good item level discrimination, fit, and person reliability (.81), with no evidence of multidimensionality. These results replicated in analyses at each additional follow-up period. Conclusions Modifications to item scoring for the PART-O resulted in a unidimensional parametric equivalent measure that addresses previous concerns about competing item relations, and it fit the Rasch model consistently across follow-up periods. The person-item map shows a progression toward greater community participation from solitary and dyadic activities, such as leaving the house and having a friend through social and productivity activities, to group activities with others who share interests or beliefs. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S0003999315011685 |