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Abstract Aim and Background: The breast cancer is the most common cancer in Iranian women and low quality of sleep is one of the most common complications experienced by patients with cancer. The purpose of this study was to compare the effectiveness of progressive muscle relaxation and music therapy methods on sleep quality of breast cancer patients. Methods and Materials: Research method of this study was experimental and its&rsquo; design was pre-test and post-test on multi groups. The population of this study were the total number of females who suffer from breast cancer and were introduced themselves to Shafaparto Clinic in Ardabil province in order to radiotherapy from 2011 September until 2012 April. The samples were selected using accessible sampling, and the Pittsburg Sleep Quality Index (PSQI) was used for data collection. The data were analyzed by chi square and analyses of covariance (ANCOVA). Findings: Results showed that both treatment methods were effective in promotion of sleep quality in cancer patients (p<0.05). However, there was no significant difference between the effectiveness of these two treatment methods on all quality sleep components (p<0.05), with the exception of sleep disturbance component (p>0.05). Conclusions: It is advised that the therapists used the progressive muscles relaxation and music therapy techniques, along with the routine interventions, in order to promote sleep quality in cancer patients.

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Aim and Background: Health literacy is the ability to receive, process, understand and understand health-related information and services in order to make appropriate health decisions. The health literacy for breast cancer patients plays an important role in accessing adequate diagnostic and therapeutic measures. The aim of this study was to investigate the mediating role of Pain catastrophizing in the relationship between health literacy and specific quality of life among patients with breast cancer.
Methods and Materials: The present study was a cross-sectional and correlational study in terms of method and was basic science in terms of purpose. In this cross-sectional study, 213 consecutive patients with breast cancer were selected based on the inclusive and exclusive criteria. Then, the patients completed questionnaires of Iranian version of health literacy, quality of life and Pain catastrophizing. Data were analyzed using SPSS and LISREL software by path analysis model.
Findings: All components of health literacy and specific quality of life were significantly correlated with Pain catastrophizing. Also there was a significant association between health literacy and specific quality of life. The findings showed that as far as the health literacy is Increase, the Pain catastrophizing scores significantly are also decrease.
Conclusions: It seems that Pain catastrophizing plays the mediating role between health literacy and specific quality of life among patients with breast cancer. Therefore, it is necessary to consider the relational model between these factors for development of psychological protocols and integrating those protocols in therapeutic plans for breast cancer patients.

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Aim and Background: Children's cancer is a special bio-psychological status that challenges the perceived social support and locus of control of mothers with different educational levels and affects their psychological adjustment. Therefore, the aim of this study was to investigate the direct and indirect role of education, with the mediating role of locus of control and perceived social support, on psychological adjustment of mothers of children with cancer.
Methods and Materials: This research is descriptive-correlational. The statistical population of the study consisted of all mothers of children with cancer who referred to the clinics of pediatricians of Mashhad. The sample size of 220 people was selected using targeted sampling method. Data were collected using psychological adjustment to illness scale, Rotter locus of control, multidimensional perceived social support, and demographic characteristics.
Findings: According to the results of this study, the increase in education directly and indirectly through increased perceived social support reduced maladjustment (P<.01). Also the increase in education directly related to increase in internal locus of control and decrease in external locus of control but has not indirect relationship on adjustment.
Conclusions: According to the findings, it can be concluded that increased education through perceived social support mediates the psychological adjustment of mothers. Increasing levels of education can also lead to an increase in internal control and a decrease in external control.

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Aim and Background: Breast cancer is the most common cancer among women around the world that from the very beginning of diagnosis can cause fear, despair and psychological harm, and challenge all aspects of life (including physical, psychological, social). The aim of this study was determination of the role of emotional regulation, pain - efficacy and disease perception in predicting the negative mood of women with breast cancer.
Methods and Materials: The research design was descriptive correlational and the statistical population of the study included all women with breast cancer referring to Isfahan health centers in spring of 2018. Accordingly, 160 women with breast cancer were selected by available sampling method, and based on the criteria for entry and exit. Data collection tools consisted of Gross and John's emotion regulation questionnaires (2003), Nicholas pain (1995) self-efficacy inventory, Brodbent & et.al (2006) illness perception questionnaire, Lovibond, and Lovibond's negative mood scale (1995). To analyze the data, Pearson correlation coefficient and multiple linear regression were used.
Findings: The results showed that the perception of the disease (β= 0/46, p= 0/001), self-efficacy of pain (β= 0/15, p= 0/021), negatively and meaningfully and the suppression strategy (β= 0/21, p= 0/001) positive and meaningful can predict changes related to the negative mood of women with breast cancer.
Conclusions: It is concluded that the type of emotion regulation strategy, the degree of self-efficacy of pain and the level of perception of the disease have a significant effect on mood disorders in women with breast cancer;  therefore, it can be understood by a deeper understanding of psychological characteristics and beliefs The disease in women with breast cancer takes steps to increase their mental health and well-being with new conditions.