Introduction Breast cancer patients undergo extended treatments that affect their psychological state and quality of life. There is a lack of studies examining the effects of holistic stress management interventions (that combine stress perception, cognitive and lifestyle interventions) on mental health and biological indices (e.g. cortisol concentrations) of breast cancer patients. Materials and methods This pilot randomized controlled trial provided the first assessment of the effects of a novel, cognitive-based intervention, the Pythagorean Self-Awareness Intervention (PSAI), on psychological symptoms, quality of life, sleep quality and lifestyle as well as on stress-related biological measures of breast cancer patients undergoing adjuvant therapy. Standardized questionnaires were administered at baseline and 8-weeksafter the intervention to evaluate quality of life, stress, depression, and anxiety (primary outcomes). Sleep quality, lifestyle and hair cortisol concentrations were also assessed (secondary outcomes). Results Forty-five breast cancer patients undergoing adjuvant therapy were randomly assigned to the PSAI group (n = 25) or the control group (n = 20).Women in the PSAI group reported significant improvements post-intervention in total Quality of Life, specific aspects of Quality of Life [Physical well-being, Social well-being, Emotional well-being, Functional well-being, Breast cancer concerns] as well as Perceived stress, depression, anxiety and stress. Improvements in secondary outcomes included increase in sleep quality, empowerment for healthy lifestyle and reduction of hair cortisol concentrations. Conclusions The PSAI was beneficial as complementary therapy in the women studied. Larger randomized controlled trials with longer follow-up are needed to ascertain these findings.

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Financial stress can negatively affect a couple's relationship. The Dyadic Coping Inventory for Financial Stress (DCIFS) instrument assesses the way couples cope with financial stress. This study sought to validate the Dyadic Coping Inventory for Financial Stress (DCIFS) in Greek. The sample included 152 Greek couples (mean age: 42.82 ± 11.94). Confirmatory factor analyses provided support for delegated dyadic coping and evaluation of dyadic coping. Confirmatory Factor Analysis results supported a 33‐item version consisting of the following subscales for both men and women: Stress Communication by Oneself and by Partner, Emotion and Problem‐Focused Supportive Dyadic Coping (DC) by Oneself and by Partner, Negative DC by Oneself and by Partner, Emotion and Problem‐Focused Common DC, and Evaluation of DC. The Dyadic Coping Inventory questionnaire and Perceived Stress Scale were used to assess the criterion validity of DCIFS.

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