Khadijeh Mirzaii - Associated professor, Department of midwifery, Faculty of nursing and midwifery, Mashhad University of Medical Science, Mashhad, Iran
Shadan Nesari Ashkezari - Department of Midwifery, Faculty of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
Talaat Khadivzadeh - Assistant professor, Department of midwifery, Faculty of nursing and midwifery, Mashhad University of Medical Science, Mashhad, Iran
Mohammad taghi Shakeri - Professor, Department of Biostatistics and epidemiology, Faculty of public health, Mashhad University of Medical Science, Mashhad, Iran

Background & Aim: Despite the importance of screening for early diagnosis of breast cancer, few women do it. Existence an indigenous educational model to promote health literacy is essential. This study attempted to determine the effect of breast cancer screening education based on SHEP model to Healthy volunteers on women s knowledge covered by Mashhad health centers  Methods & Materials: This was a quasi-experimental study with two groups: Trainers and Audients, done in two urban health centers affiliated to Mashhad district health authority, divided randomly to experimental and control centers. Six health volunteers and sixty women with random selected from each center were the sample of the study. An 8-hour workshop conformity SHEP model was conducted over two days for health volunteers in experimental group. In both centers ten women were allocated for each health volunteer, were taken a pre-test with an assessment test evaluating their knowledge about breast cancer screening, a 2-hour educational session was performed for them by health volunteers, immediately and 4 weeks after educational sessions two post-tests were taken. Research data were processed and analyzed, using Mann Whitney, Friedman, Chi Square, Fisher’s exact test in SPSS statistical software, version 20 Results: The post interventional scores of knowledge were significantly higher in the experiment group (p<0.05). Comparing the knowledge scores, before, immediately and four weeks after education showed a significant difference in each group (p<0.05). Conclusion: Results confirm the effectiveness of training based on SHEP model by usage peer Trainers on women’s short and long term knowledge promotion about breast cancer screening

Breast cancer screening, Knowledge, SHEP model