Introduction: Healthy behaviors are influenced by physical, social, and personal activities of people. Self-efficacy is one of the effective factors influencing health promotion behaviors. This study aimed to examine the Self-Efficacy and Health Promoting Behaviors among Women of Reproductive ages in Shiraz during 2013.

Materials & methods: In this cross-sectional study, 392 women (15-49 ages) of Shiraz selected thorough multiple stage cluster sampling in 2013 were interviewed. In order to gather information, a questionnaire consisting of personal-demographic question, health promotion behaviors, general self-efficacy and social support was utilized. To examine the association between variables, Independent sample T-test, ANOVA, Pearson correlation, and Multiple Regression were performed.

Findings: the study indicates that mean and standard deviation of age is 30.91 ± 8.89. Most of women (79/6%) have moderate and high level of self efficacy. In general, Mean and standard deviation of health behavior of women is 53/69±12.82 (in 0-100 scale) which varies in different groups. Study in field of Health, self-efficacy, Marital Status and Social support show a significant relation with healthy behavior. Among age, the marital status, employment status, experience of some particular diseases, the study in areas of health, classical identity, Social support, education and the use of communication media, Self-efficacy indicates the most significant factors affecting health related behavior.

Discussion & Conclusions: Self-efficacy is the most significant factors affecting pursue of health related behavior and Life-style. Thus, executors should pay attention to the importance of social-psychological dimension, consideration to promotion self-efficacy increase cultural programs in planning of health care system promoting awareness of people.