Evaluation of the effect of an intervention based on the PRECEDE-PROCEED model on the improvement of menstrual management in teenager girls, Kermanshah

Considering the importance of women's sexual health, the role of adolescent menstruation management is obvious. According to evidence, teenage girls in many countries of the world, including Iran, do not have good menstrual management. Therefore, this research was conducted with the aim of determining the effect of implementing a health promotion program using the PRECEDE-PROCEED model in high school teenage girls in Kermanshah.

This study is a semi-experimental study without a control group that was conducted in Kermanshah from 2021 to 2022. In this study, needs assessment was done by 300 high school girls randomly and the data collection tool was a questionnaire. Then, according to the needs assessment results, an educational intervention with a sample size of 80 students and high school girls who were selected by two-stage random sampling were evaluated. Data collection tool was a valid and reliable researcher-made questionnaire based on PRECEDE-PROCEED model and was completed by students before, after and two months after the intervention. Data were analyzed by SPSS software version 22 and Friedman test.

The results of the needs assessment showed that the students' mean knowledge score (mean ± standard deviation) was 7.06 ± 3.9, attitude score was 33.16 ± 8.33, and self-efficacy score was 32.28 ± 9.44 The comparative results showed that the mean and median of predisposing factors, enabling factors and enhancing factors (p<0.001) statistically in three periods (before, after and two months after intervention) has a significant difference.

The results obtained from this study show the positive impact of the educational program based on the PRECEDE-PROCEED model and its components (predisposing factors, enabling factors, and enhancing factors) on menstrual management of teenage girls.