Propiedades psicométricas del Índice de Bienestar General-5 de la Organización Mundial de la Salud en pacientes parcialmente edéntulos
Psychometric properties of the WHO-5 Well-being index in partially edentulous patients
Palabras clave:
Análisis factorial, Estudios de validación, Reproducibilidad de resultados, Depresión (es)Factor Analysis, Validation Studies, Reproducibility of Results, Depression (en)
Introducción. La medición de bienestar en pacientes odontológicos posibilita la detección temprana de alteraciones emocionales.
Objetivo. Evaluar las propiedades psicométricas del Índice de Bienestar General de la Organización Mundial de la Salud (WHO-5 WBI) en pacientes parcialmente edéntulos.
Materiales y métodos. Estudio de validación de escalas y pruebas diagnósticas sin patrón de referencia realizado en 105 pacientes de un servicio de implantología oral. Se aplicó el WHO-5 WBI antes de iniciar el tratamiento y se realizó análisis factorial exploratorio para determinar el número de factores que explicaban el constructo, confirmatorio para su validez y su consistencia interna con el coeficiente alfa de Cronbach y la omega de McDonald.
Resultados. El análisis factorial exploratorio mostró solución de un solo factor que dio cuenta del 56.17% de la varianza. El análisis confirmatorio mostró índices de ajuste X2=1120.516; gl=10, p=0.04; RCMEA=0.134 (IC90%: 0.056-0.217); ICA=0.992; ITL=0.983 y RCMR=0.61.
Conclusiones. El WHO-5 WBI mostró aceptable reproducibilidad, estructura factorial unidimensional y cuestionable validez de constructo.
Introduction: Measuring well-being in dental patients allows early detection of emotional disorders.
Objective: To evaluate the psychometric properties of the Wellbeing index by the World Health Organization (WHO-5 WBI) in partially edentulous patients.
Materials and methods: Scale validation study and diagnostic tests without reference standard performed in 105 patients treated at an oral implantology service. The WHO-5 WBI was applied before treatment and an exploratory factor analysis was performed to determine the amount of factors in the construct that confirmed its validity and internal consistency through Cronbach’s alpha and McDonald’s omega.
Results: The exploratory factor analysis showed a single factor solution that accounted for 56.17% of the variance. The confirmatory analysis showed adjustment indexes X2=1120.516; df=10, p=0.04; RMSEA=0.134 (90% CI: 0.056-0.217); CFI=0.992; TLI=0.983 and WRMR= 0.61.
Conclusions: The WHO-5 WBI showed acceptable reproducibility, one-dimensional factor structure and questionable construct validity.
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