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Estructura interna de la Dysfunctional Beliefs and Attitudes about Sleep Scale en una muestra española de trabajadores con turnos rotatorios / Internal structure of Dysfunctional Beliefs and Attitudes about Sleep Scale in a spanish shift workers sample
Sierra, J. C; Delgado-Domínguez, C; Carretero-Dios, H.
Affiliation
  • Sierra, J. C; Universidad de Granada. Granada. España
  • Delgado-Domínguez, C; Universidad de Granada. Granada. España
  • Carretero-Dios, H; Universidad de Granada. Granada. España
Rev. neurol. (Ed. impr.) ; 43(8): 454-460, 16 oct., 2006. tab
Article in Es | IBECS | ID: ibc-049860
Responsible library: ES1.1
Localization: ES1.1 - BNCS
RESUMEN
Introducción. Uno de los factores psicológicos que explicanel origen y mantenimiento del insomnio son los pensamientosdisfuncionales incompatibles con la conciliación del sueño. Paraevaluarlos, Morin elaboró la escala de creencias y actitudes sobreel sueño –Dysfunctional Beliefs and Attitudes about Sleep Scale(DBAS)– integrada por cinco dimensiones teóricas. Objetivos. Analizarla estructura interna de la versión española de la DBAS en unamuestra de trabajadores con turnos rotatorios y determinar su capacidadpara diferenciar a estos sujetos de los que tienen un horariolaboral normal. Sujetos y métodos. A una muestra de 237 trabajadores,197 con horario laboral rotatorio y 40 con horario normal(media de edad = 43,07; desviación típica = 9,39) se le aplicó laDBAS y el índice de calidad de sueño de Pittsburgh. Resultados. Elanálisis de ítems y de la fiabilidad de cada una de las cinco dimensionesoriginales de la DBAS pone de manifiesto los valores moderadosde las correlaciones ítem-total, así como la falta de homogeneidad,a excepción de la primera y segunda dimensión. El análisisfactorial exploratorio permite aislar cuatro factores consecuenciasdel insomnio sobre el rendimiento/funcionamiento diurno (alfa =0,75); control y predicción del sueño (alfa = 0,70); consecuenciasdel insomnio sobre la salud física y mental (alfa = 0,69) y expectativassobre la asociación sueño-edad (alfa = 0,60); asimismo, se demuestraque los tres primeros diferencian a trabajadores con turnosrotatorios de trabajadores con horario laboral normal. Conclusiones.Se obtiene una versión adaptada de la DBAS formada por 18ítems distribuidos en cuatro factores coherentes conceptualmente,que muestran unos índices aceptables de consistencia interna; lostres primeros manifiestan capacidad para diferenciar a buenos demalos dormidores
ABSTRACT
Introduction. Dysfunctional beliefs are some of the psychological factors that explains the origin and maintenanceof insomnia. Morin developed a five theoretical dimension scale, the Dysfunctional Beliefs and Attitudes about Sleep Scale(DBAS), to assess them. Aims. To analyze the internal structure of the Spanish version of DBAS, and to establish thedifferences on DBAS scores between two groups above described. Subjects and methods. The sample was 237 workers of those197 were shift workers and the rest had a stable timetable (mean age = 43.07; standar deviation = 9.39). The DBAS and thePittsburgh Sleep Quality Index was administrated to them. Results. The results of the items analysis and reliability of each fivedimensions were moderate, except for the first and second dimension of Morin’s proposal. Confirmatory factorial analysisisolated four factors consequences of the insomnia on the diurnal yield/functioning (alpha = 0.75); control and prediction ofthe sleep (alpha = 0.70); consequences of the insomnia on the physical and mental health (alpha = 0.69), and expectations onthe association sleep-age (alpha = 0.60). It was corroborated that either first, second or third factor allowed differentiatingone group of another. Conclusions. All these results allowed us to consider Spanish version of DBAS as an appropriated 18items adapted version. The structure of four factors is theoretically coherent, and it shows an adequate internal consistencyand high capacity to differentiate well from bad sleepers
Subject(s)
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Collection: National databases / Spain Database: IBECS Main subject: Psychometrics / Sleep / Surveys and Questionnaires / Sleep Disorders, Circadian Rhythm / Sleep Initiation and Maintenance Disorders Type of study: Etiology study / Observational study / Prevalence study / Prognostic study / Qualitative research / Risk factors Limits: Adult / Humans / Male Country/Region as subject: Europa Language: Spanish Journal: Rev. neurol. (Ed. impr.) Year: 2006 Document type: Article Institution/Affiliation country: Universidad de Granada/España
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Collection: National databases / Spain Database: IBECS Main subject: Psychometrics / Sleep / Surveys and Questionnaires / Sleep Disorders, Circadian Rhythm / Sleep Initiation and Maintenance Disorders Type of study: Etiology study / Observational study / Prevalence study / Prognostic study / Qualitative research / Risk factors Limits: Adult / Humans / Male Country/Region as subject: Europa Language: Spanish Journal: Rev. neurol. (Ed. impr.) Year: 2006 Document type: Article Institution/Affiliation country: Universidad de Granada/España
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