Development and Calibration of the PREMIUM Item Bank for Measuring Respect and Dignity for Patients with Severe Mental Illness

Sara Fernandes, Guillaume Fond (), Xavier Zendjidjian, Pierre Michel, Karine Baumstarck, Christophe Lançon (), Ludovic Samalin, Pierre-Michel Llorca (), Magali Coldefy, Pascal Auquier, Laurent Boyer () and Group Collaborators of The French Premium
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Sara Fernandes: CEReSS - Centre d'études et de recherche sur les services de santé et la qualité de vie - AMU - Aix Marseille Université
Guillaume Fond: Fondation FondaMental [Créteil], CEReSS - Centre d'études et de recherche sur les services de santé et la qualité de vie - AMU - Aix Marseille Université
Xavier Zendjidjian: CEReSS - Centre d'études et de recherche sur les services de santé et la qualité de vie - AMU - Aix Marseille Université
Pierre Michel: AMSE - Aix-Marseille Sciences Economiques - EHESS - École des hautes études en sciences sociales - AMU - Aix Marseille Université - ECM - École Centrale de Marseille - CNRS - Centre National de la Recherche Scientifique
Karine Baumstarck: CEReSS - Centre d'études et de recherche sur les services de santé et la qualité de vie - AMU - Aix Marseille Université
Christophe Lançon: CEReSS - Centre d'études et de recherche sur les services de santé et la qualité de vie - AMU - Aix Marseille Université
Ludovic Samalin: Fondation FondaMental [Créteil]
Pierre-Michel Llorca: Fondation FondaMental [Créteil]
Magali Coldefy: IRDES - Institut de Recherche et Documentation en Economie de la Santé - Université Paris Dauphine-PSL - PSL - Université Paris Sciences et Lettres
Pascal Auquier: CEReSS - Centre d'études et de recherche sur les services de santé et la qualité de vie - AMU - Aix Marseille Université
Laurent Boyer: CEReSS - Centre d'études et de recherche sur les services de santé et la qualité de vie - AMU - Aix Marseille Université
Authors registered in the RePEc Author Service: Pierre Michel

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Abstract: Most patient-reported experience measures (PREMs) are paper-based, leading to a high burden for patients and care providers. The aim of this study was to (1) calibrate an item bank to measure patients' experience of respect and dignity for adult patients with serious mental illnesses and (2) develop computerized adaptive testing (CAT) to improve the use of this PREM in routine practice. Patients with schizophrenia, bipolar disorder, and major depressive disorder were enrolled in this multicenter and cross-sectional study. Psychometric analyses were based on classical test and item response theories and included evaluations of unidimensionality, local independence, and monotonicity; calibration and evaluation of model fit; analyses of differential item functioning (DIF); testing of external validity; and finally, CAT development. A total of 458 patients participated in the study. Of the 24 items, 2 highly inter-correlated items were deleted. Factor analysis showed that the remaining items met the unidimensional assumption (RMSEA = 0.054, CFI = 0.988, TLI = 0.986). DIF analyses revealed no biases by sex, age, care setting, or diagnosis. External validity testing has generally supported our assumptions. CAT showed satisfactory accuracy and precision. This work provides a more accurate and flexible measure of patients' experience of respect and dignity than that obtained from standard questionnaires.

Keywords: psychiatry; mental health; schizophrenia; depressive disorders; bipolar disorders; patient-reported experience measures; health services research (search for similar items in EconPapers)
Date: 2022-03
Note: View the original document on HAL open archive server: https://amu.hal.science/hal-03649277v1
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Published in Journal of Clinical Medicine, 2022, 11 (6), pp.1644. ⟨10.3390/jcm11061644⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-03649277

DOI: 10.3390/jcm11061644

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