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espanolIntroduccion: El Cuestionario sobre la Dieta Restrictiva de Sodio [Dietary Sodium Restriction Questionnaire (DSRQ)] estabasado en la teoria del comportamiento planificado. Originalmente desarrollado en ingles, este instrumento, compuesto portres subescalas (en 16 items que evaluan los parametros vinculados con la actitud en relacion con el comportamiento, lanorma subjetiva y el control comportamental percibido), identifica los factores que afectan la adhesion a la dieta hiposodicaen pacientes con insuficiencia cardiaca congestiva (ICC).Objetivos: Realizar la adaptacion transcultural del DSRQ en idioma espanol para su utilizacion en la Argentina y evaluar laspropiedades psicometricas (validez y confiabilidad).Material y metodos: La adaptacion transcultural se realizo con la metodologia recomendada (traduccion, sintesis, revision yretrotraduccion). La validez se determino mediante analisis de forma y factorial de componentes principales con la extraccionde factores y rotacion Varimax. El analisis de la confiabilidad se efectuo mediante el calculo de la consistencia interna (alfade Cronbach) y la correlacion item-total de la escala.Resultados: En la adaptacion transcultural se adaptaron los encabezados y solamente una pregunta tuvo alteraciones semanticasrelevantes. Para el analisis de las propiedades psicometricas se incluyeron 230 pacientes con ICC. La proporcion de datos faltantesfue muy baja (0,20%). En el analisis de componentes principales se extrajeron tres factores. Luego de la rotacion Varimax,los items se agruparon con los factores seleccionados, coincidiendo con las tres subescalas originales. En el analisis item-total,ninguna correlacion mostro un valor EnglishBackground: The Dietary Sodium Restriction Questionnaire (DSRQ) is based on the theory of planned behavior. Originallydeveloped in English, this instrument, consisting of three subscales (divided in 16 items evaluating the parameters associatedwith attitude relative to behavior, the subjective norm and the perceived behavioral control), identifies the factors affectingadherence to low-sodium diet in patients with congestive heart failure (CHF).Objectives: The purpose of this study was to perform the DSRQ transcultural adaptation into Spanish to be used in Argentinaand assess its psychometric properties (validity and reliability).Methods: The transcultural adaptation was done with the recommended methodology (translation, synthesis, revision and backtranslation). Its validity was explored by principal component structure and factor analysis with factor extraction and Varimaxrotation. Reliability was analyzed by internal consistency calculation (Cronbach’s alpha) and the item-total scale correlation.Results: Headlines were adjusted and one question only had relevant semantic changes in the transcultural adaptation. Atotal of 230 CHF patients were included for the psychometric analysis. The proportion of missing data was very low (0.20%).Three factors were extracted from the main component analysis. After Varimax rotation, the items were grouped with theselected factors, matching the three original subscales. In the item-total analysis, no correlation showed a value

revista argentina de cardiología

Adaptación para la Argentina y evaluación de las propiedades psicométricas del Cuestionario sobre la Dieta Restrictiva de Sodio en pacientes con insuficiencia cardíaca