Beliefs are the result of uncertainty. Sometimes uncertainty is because of a random process and sometimes the result of lack of information. In the past, the only solution in situations of uncertainty has been the probability theory. But the past few decades, various theories of other variables and systems are put forward for the systems with no adequate and accurate information. One of these a...

Background: Teenage girls are one of the high-risk groups for vitamin D deficiency. This study aimed to determine the effect of an educational intervention based on the health belief model on the use of vitamin D supplements among female high school students.   Methods: In this quasi-experimental study, 140 girl high school students (n=70 in each group) in Mashhad in the academic year 2015-201...

Background and aims: Street sweepers, due to exposure to medical waste, are a high risk group for infections such as HIV and Hepatitis. Regarding to importance of behavior role to decreasing morbidity in this category of disease and recognizing effective factors of performing safe behavior in this group, the present study aimed to predict the occupational behavior lead to prevention of infectio...

Introduction: Hypertension is a chronic disease that causes a great deal of harm to the individual, which is the leading cause of disability and death worldwide, accounting for one eighth of all deaths. This disease is not treatable but it is manageable. Therefore, this study aimed to investigate factors related to hypertension based on health belief model in Yazd. Methods: This descriptive cro...

Introduction: Belief in the usefulness and effectiveness of screening along with demographic characteristics are among the reasons for doing screening. The main purpose of this study was to identify the predictors of intention for doing colorectal cancer screening using health belief model and demographic characteristics. Materials and Methods: The present study is an analytical cross-sectional...