Background and objective: Dysmenorrhea or painful menstruation can impair person's life. This study was aimed to determine the effectiveness of educational intervention based on health belief model (HBM) on eating style and to reduce the severity of the menstrual pain among clinical personnel in the Imam Khomeini Hospital Complex.

Materials and methods: In this intervention study, before and after the intervention, a random sampling and interviews were conducted, and finally 50 qualified female, with an average age of 31.48±5.08 (22-45 years), were selected to participate in the research. Data were collected through a researcher-made questionnaire based on the health belief model (HBM) and the validity was controlled by specialists and the reliability was assessed by Cronbach’s alpha test (α = 0.957). Data was analyzed using SPSS 19 through descriptive and statistical paired t-test and ANOVA repeated measure test with a significant level of less than 0.05.

Results: Educational intervention increases the average rating in health belief structures among participants (p < 0.001) but this increase did not take place in the guidelines for action structures (p = 0.39).

Conclusion: To maintain and promote women’s health is an educational priority. Nutritional education intervention promoted the nutritional behaviors and reduced dysmenorrhea among women examined. Therefore, with respect to efficacy and cost-effectiveness using it to reduce the initial dysmenorrhea is recommended.

Paper Type: Research Article