An application of structural equation modeling of test dispositional optimism as mediator or moderator in quality of life in patients with chronic disease

• Type: Chapter or Part of a Book
• Date: 2013

Authors

Vilhena, E (Author) Other; Ribeiro, JLP (Author) Other; Silva, I (Author) Other; Pedro, L (Author) Other; Meneses, R (Author) Other; Cardoso, H (Author) Other; da Silva, AM (Author) Other; Mendonca, D (Author) ICBAS

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Other information

Authenticus ID: P-00H-1A4

DOI: 10.1007/978-3-642-32419-2_4

Abstract (EN): The aim of the present study was to test a hypothetical model to examine if dispositional optimism exerts a moderating or a mediating effect between personality traits and quality of life, in Portuguese patients with chronic diseases. A sample of 540 patients was recruited from central hospitals in various districts of Portugal. All patients completed self-reported questionnaires assessing socio-demographic and clinical variables, personality, dispositional optimism, and quality of life. Structural equation modeling (SEM) was used to analyze the moderating and mediating effects. Results suggest that dispositional optimism exerts a mediator rather than a moderator role between personality traits and quality of life, suggesting that ¿the expectation that good things will happen¿ contributes to a better general well-being and better mental functioning. © Springer-Verlag Berlin Heidelberg 2013.

Language: English

Type (Professor's evaluation): Scientific