---

Background and purpose: Friendly behavior (as a one of the main characteristics of positive affect), and positive and negative feelings about body image can influence life satisfaction among women. This research aimed at determining the relationship between friendly behavior and body image with life satisfaction in women. Materials and methods: The research sample consisted of 200 women, aged between 20 to 25 years who were selected through random cluster sampling method in Shahrood, Iran. Friendly behavior scale, body image questionnaire and satisfaction with life scale were used. The data was analyzed using Pearson correlation coefficient and multiple regression analyses. Results: Results showed positive correlation between friendly behavior (r=0.30) and body image (r=0.66) with life satisfaction in women (P<0.001). Conclusion: This study showed that friendly behavior and body image highly influence (62%) life satisfaction among women.

---

Background and purpose: Population aging and advancing longevity is one of the achievements of the present century. Life satisfaction is considered as a typical sign of a successful adaptation to changes in various life situations. It seems that self-efficacy and social support may be associated with life satisfaction. There are limited publications in this field, so this study was done to investigate the relationship between life satisfactions, self-efficacy and social support in communitydwelling elderly in Sari, north of Iran. Materials and methods: In this descriptive-analytic study 129 elderly who agreed to participate were randomly selected from 10 health centers in Sari. The samples who aged more than 60 years of old were included and exclusion criteria were having incurables disease such as cancer, dementia, and severe psychological diseases. The data was collected using demographic questionnaires, Ed Diener life satisfaction, social support and self-efficacy questionnaires. To analyze the data SPSS V. 16 was applied. Results: The mean age of the elderly and life satisfaction were 67.86 ± 7.49 and 20.64 ± 8.36, respectively. We observed a significant correlation between life satisfaction and demographic variables such as economic status (P=0.002) and home status (P=0.01). Total average of social support and selfefficacy were 25.08 ± 5.98, 24.35 ± 7.55, respectively. This study found a significant association between life satisfaction with social support (r=0.44, P=0.001) and self-efficacy (r=0.49, P=0.001). Conclusion: According to the results of this study, there is a direct relationship between life satisfaction, social support, and self-efficacy. Life satisfaction in elderly can be increased by strengthening the support, independence and dignity of older people, thereby improving their social support and self-efficacy conditions.

---

Background and purpose: Monitoring of health and its determinants in general population is essential for development of societies, promoting health and disease prevention programs. The aim of this study was to investigate the relationship of social support and self-efficacy with mental health and life satisfaction in individuals living in suburbs of Kermanshah, Iran.

Materials and methods: This cross-sectional study was conducted in summer of 2015 on 438 residents of Kermanshah suburbs who were selected using multistage cluster sampling. Data was collected using demographic characteristic form, Perceived Social Support Scale, General Self-efficacy Scale (GSE), Satisfaction with Life Scale (SWLS), and general health Questionnaire (GHQ). Data analysis was performed using Pearson correlation and Structural Equation Modeling in SPSS version 18 and Amos software, respectively.

Results: The mean age of the participants was 29.87±11.43 years and 45% were male. The mean age of the participants was no significant difference between the males and females regarding the main variables of the study (P>0.05). The mean scores for perceived social support, self-efficacy, life satisfaction, and GHQ were 38.95, 27.22, 13.41, and 15.58, respectively. According to the results, self-efficacy had a mediating role in the relationship of social support and life satisfaction with mental health.

Conclusion: The mediating role of self-efficacy in the relationship of social support with life satisfaction and general health, suggests that social support can enhance life satisfaction and reduce mental disorders when self-efficacy is high.