related factors of the preventing behaviors of hiv/aids among young people: applying the extended health belief model (ehbm)

background hiv/aids is one of the major public health problems and a barrier to the progress of human civilization that is considered as a big concern for people all around the world. premarital sexual abstinence is introduced as the most effective way to avoid hiv/aids. this study aimed to determine associated factors in the preventing behaviors of hiv/aids among young people using the extended health belief model. materials and methods this research was a cross-sectional descriptive analytical study which was conducted on 577 students in different universities in shiraz. the participants were enrolled in the study using random stratified sampling method. a researcher-made questionnaire based on extended health belief model was implemented to collect data. data were analyzed with spss v.18 using independent t-test, anova, and pearson correlation coefficient. results in this study, the intention of premarital sexual abstinence had a statistically significant association with the constructs of knowledge, perceived susceptibility, perceived benefits, perceived barriers, perceived self-efficacy, subjective norms, and religious beliefs (p<0.05). conclusion when designing programs for the prevention of hiv/aids and for the promotion of the premarital sexual abstinence, it might be useful to utilize the extended health belief model and focus on religious beliefs and subjective norms.