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Psicothema was founded in Asturias (northern Spain) in 1989, and is published jointly by the Psychology Faculty of the University of Oviedo and the Psychological Association of the Principality of Asturias (Colegio Oficial de Psicólogos del Principado de Asturias).
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Psicothema, 2011. Vol. Vol. 23 (nº 1). 119-125




El papel del modelo Demandas-Control-Apoyo en la salud de trabajadores de la construcción

Blanca López-Araújo y Amparo Osca Segovia

Universidad Nacional de Educación a Distancia

Este estudio toma como referencia el modelo Demandas-Control-Apoyo y analiza el rol del control y del apoyo social entre algunas demandas laborales y el malestar físico en una muestra de 285 trabajadores de la construcción. En general, se observa que las demandas laborales, la exposición a condiciones nocivas, el control del trabajo y el apoyo social se asocian con el malestar físico. También se comprueban los efectos moduladores del control y del apoyo. El control modula los efectos negativos de las demandas. Además, el apoyo amortigua el estrés derivado de la exposición a condiciones nocivas. Se encuentra una interacción triple pero el incremento de varianza explicada no es significativo, por tanto, no se encuentra evidencia del modelo Demandas-Control-Apoyo. El artículo finaliza planteando las limitaciones del estudio y sus implicaciones prácticas.

The effects of the Demand-Support-Control model on construction workers’ health. This work takes as reference the Demand-Control-Support model and analyzes the relation of job control and social support and some job demands and physical well-being in a sample of 285 construction workers. In general, job demands, exposure to harmful conditions, social support, and job control were found to be related to physical well-being. The modulator effects of job control and social support were verified. Job control modulates the negative effects of stress, mainly in situations of high demand. Moreover, social support modulates the negative effects of stress in situations of high exposure to harmful conditions. A three-way interaction effect was found but the increase in explained variance was not significant. Thus, the results do not reveal empirical evidence of the Demand-Control-Support model. The limitations and practical implications of this study are discussed.

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