Resumen

JUAREZ GARCIA, Dehisy Marisol; LANDERO HERNANDEZ, René; GONZALEZ RAMIREZ, Mónica Teresa  y  JAIME BERNAL, Leticia. DIURNAL CORTISOL VARIATION AND ITS RELATIONSHIP WITH STRESS, OPTIMISM AND COPING STRATEGIES IN WOMEN WITH BREAST CANCER. Act.Colom.Psicol. [online]. 2016, vol.19, n.1, pp.113-122. ISSN 0123-9155.  https://doi.org/10.14718/ACP.2016.19.1.6.

Diurnal cortisol rhythm has been altered in patients with cancer. Factors such as disease progression and stress levels are regarded as possible causes to explain this condition, however results are not clear. The aim of this study was to assess and determine whether there are differences in cortisol levels in women with breast cancer in different stages and analyze the relationship between cortisol levels and stress, optimism and coping strategies. Salivary cortisol samples were collected for two days and psychological questionnaires of perceived stress (PSS), dispositional optimism (LOT-R) and coping strategies (MAC) were administered to 17 breast cancer women in stage I, II and III of the disease. The results show that patients with breast cancer in the three stages have a normal diurnal cortisol rhythm and do not differ significantly in cortisol levels. Regarding the psychological variables, they differ only in optimism. Coping strategies such as fighting spirit and cognitive avoidance are the variables that have more influence on cortisol levels, explaining 55% of variance. The implications of these results are discussed.

Palabras clave : cortisol; stress; diurnal rhythm; AUC; coping strategies.

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