Abstract
This study aims to develop an instrument for the assessment of psychological predictors of well-being and quality of life (QoL) in people living with HIV. A four-step procedure was followed to achieve this objective. A literature review, focus group in different regions of Spain and content analysis generated a preliminary pool of 96 items. Interjudgement ratings over the items and a cognitive debriefing interview were performed to delete or review items (one omitted and 15 reviewed). The psychometric properties of the instrument were assessed in a sample of 84 HIV+. Pilot testing allowed a new wave of depuration process by empirical criteria (30 items omitted). A final pool of 63 items covering 23 facets (α from 0.53 to 0.95) of psychological predictors remained. Exploratory factorial analysis (GLS) assessing the underlying structure of the questionnaire showed a six-factor model explaining 56.5 of variance. Empirical exploratory structure revealed evidence of goodness of fit (χ2 = 113.110, gl = 130, p > 0.05; RMSEA = 0.017; RMSEA IC90 % 0.000–0.057). This study presents the first instrument able to screen key psychological variables expected to be related to adjustment, well-being and QoL in people with HIV.
Resumen
Este estudio tuvo como objetivo desarrollar un instrumento para la evaluación de los predictores psicológicos del bienestar y la calidad de vida de las personas que viven con el VIH. Cuatro pasos se siguieron para lograr este objetivo. Revisión de la literatura, grupos de discusión en diferentes regiones de España y análisis cualitativo de contenido del material transcrito de los grupos, permitieron generar un conjunto preliminar de 96 ítems. Los ítems fueron sometidos a una valoración interjueces y, posteriormente, a la valoración de personas con VIH, para revisar o eliminar aquellos ítems menos relevantes o que no se entendían bien (uno eliminado y 15 revisados). Las propiedades psicométricas del instrumento fueron entonces valoradas en una muestra de 84 VIH+. El estudio piloto permitió una nueva oleada de depuración de ítems utilizando criterios empíricos (30 ítems fueron eliminados). Un grupo final de 63 ítems distribuidos en 23 facetas (α 0.53 a 0.95) de predictores psicológicos se mantuvieron. El análisis factorial exploratorio identificó la estructura subyacente del cuestionario con un modelo de seis factores que explican 56.5 de la varianza. La estructura exploratoria empírica mostró evidencias de bondad del ajuste (χ2 = 113.110, gl = 130, p > 0.05; RMSEA = 0,017; RMSEA IC90 % 0,000–0,057). Este estudio presenta el primer instrumento capaz de valorar variables psicológicas clave en la predicción de la adaptación, bienestar y la calidad de vida en personas con VIH.
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Acknowledgments
This work has been supported by a grant from FIPSE Spain (Fundación para la Investigacion y Prevención del Sida en España, Grant 36-0743/09). This paper was prepared by the authors on behalf of the Spanish Group for the Quality of Life Improvement in HIV or AIDS. The members of the Spanish Group for the Quality of Life Improvement in HIV or AIDS are: López-Zúñiga, A.M., Santos-Miguel, I. (Asociación T-4); Albiol-Soto, M. (CESIDA); Ferrer-Lasala, M.J., Fumaz, C. R., González-García, M., Tuldrà-Niño, A. (Fundació Lluita contra la Sida. Hospital Germans Trias i Pujol); Santamaria-Jauregui, J.M. (Hospital de Basurto); Ferrando-Vilalta, R. (Hospital Clínico de Valencia); Iribarren-Loyarte, J.A. (Hospital de Donostia); Tornero-Esteban, C. (Hospital Fco Borja de Gandía); Roca, B. (Hospital General de Castellón, Universitat Jaume I de Castelló); Cánoves-Martínez, L. (Hospital General de Valencia); Lorenzo-González, J.F. (Hospital General Yagüe de Burgos); Fuster-Ruiz de Apodaca, R., Pasquau-Liaño, F. (Hospital de la Marina Baixa de Villajoyosa); Remor, E. (Universidad Autónoma de Madrid); Ubillos-Landa, S. (Universidad de Burgos); Ruzafa-Martínez, M. (Universidad de Murcia); Fuster-Ruiz de Apodaca, M.J., Molero, F., Nouvilas-Pallejà, E., Pérez-Garín, D., Sanjuan-Suárez, P. (Universidad Nacional de Educación a Distancia); Aguirrezabal-Prado, A., Arnoso-Martínez, A., Larrañaga-Eguilegor, M., Mayordomo-López, S. (Universidad del País Vasco); Ballester-Arnal, R., Gil-Juliá, B., Giménez-García, C., Gómez-Martínez, S., Ruiz-Palomino, E. (Universitat Jaume I de Castelló); Gil-Llario, M.D., Madrigal-Vilchez, A. (Universitat de València-Estudi General).
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The study was conducted on behalf of the Spanish Group for the Quality of Life Improvement in HIV or AIDS.
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Remor, E., Fuster, M.J., Ballester-Arnal, R. et al. Development of a New Instrument for the Assessment of Psychological Predictors of Well-being and Quality of Life in People with HIV or AIDS. AIDS Behav 16, 2414–2423 (2012). https://doi.org/10.1007/s10461-012-0230-1
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DOI: https://doi.org/10.1007/s10461-012-0230-1