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Titre : | Development and Psychometric Characteristics of the TBI-QOL Independence Item Bank and Short Form and the TBI-QOL Asking for Help Scale (2020) |
Auteurs : | Pamela A. Kisala ; David S. Tulsky ; Aaron J. Boulton |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (Vol. 101, n° 1, 2020) |
Article en page(s) : | p. 33-42 |
Note générale : | https://doi.org/10.1016/j.apmr.2019.08.469 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Autonomie personnelle ; Comportement de recherche d'aide ; Évaluation des résultats des patients ; Lésions encéphaliques ; Réadaptation ; Vie autonome |
Résumé : |
Objective
To develop an item response theory (IRT)-calibrated, patient-reported outcome measure of subjective independence for individuals with traumatic brain injury (TBI). Design Large-scale item calibration field testing; confirmatory factor analysis (CFA) and graded response model IRT analyses. Setting Five TBI Model System centers across the United States. Participants Adults with complicated mild, moderate, or severe TBI (N=556). Outcome Measures Traumatic Brain InjuryQuality of Life (TBI-QOL) Independence item bank and the TBI-QOL Asking for Help scale. Results A total of 556 individuals completed 44 items in the Independence item pool. Initial factor analyses indicated that items related to the idea of asking for help were measuring a different construct from other items in the pool. These 9 items were set aside. Twenty-two other items were removed because of bimodal distributions and/or low item-total correlations. CFA supported unidimensionality of the remaining Independence items. Graded response model IRT analysis was used to estimate slopes and thresholds for the final 13 Independence items. An 8-item fixed-length short form was also developed. The 9 Asking for Help items were analyzed separately. One misfitting item was deleted, and the final 8 items became a fixed-length IRT-calibrated scale. Reliability was high for both measures. Conclusions The IRT-calibrated TBI-QOL Independence item bank and short form and TBI-QOL Asking for Help scale may be used to measure important issues for individuals with TBI in research and clinical applications. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S0003999319310457 |