Elahe Tavassoli - Assistant Professor, Social Determinants of Health Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
Mahnoush Reisi - Department of Health Education and Health Promotion, School of Health, Bushehr University of Medical Sciences, Bushehr, Iran
Masoumeh Alidosti - Department of Public Health, Behbahan Faculty of Medical Sciences, Behbahan, Iran
Akbar Babaei Heydarabadi - Assistant Professor, Department of Public Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran

Background and aims: Inappropriate or imbalanced consumption of foods may lead to several healthproblems, especially among adolescents, the complications of which will remain for several years.This study aimed to investigate perceptions, self-efficacy, and the status of junk food consumptionand their relationship with demographic variables in female high school students in Shahrekord usingHealth Belief Model (HBM).Methods: This is a descriptive- analytic study conducted in academic year ۲۰۱۶-۲۰۱۷. Three hundredtwenty-three adolescent girls (second grade high school students of Shahrekord) were selected throughcluster sampling method. A standard questionnaire, according to the structures of health belief model(perceived susceptibility, severity, benefits, barriers, and self-efficacy) and a checklist for assessmentof junk food consumption was used to collect data. The obtained data were analyzed using SPSSsoftware, version ۱۶ and descriptive as well as analytic tests.Results: The mean age of the participants was ۱۶.۰۳ ± ۱.۲۴ years old. The mean scores of knowledge,perceived susceptibility, severity, benefits, barriers, and self-efficacy in proper consumption of junkfoods were ۵۵.۶۶ ± ۲۰.۹۵; the mean frequency of junk food consumption among the students wasreported to be ۶.۱۷ ± ۳.۱۸ times. There was a significantly inverse associations among perceivedself-efficacy, severity, and benefit and junk food consumption. The mean frequency of junk foodconsumption in the schools under investigation was ۶.۶۷ ± ۳.۶۲ times.Conclusion: Considering the consumption of relatively high amounts of junk foods, the students’ lowlevels of knowledge and perception and the effect of peer groups, it is necessary to promote students’nutritional knowledge, change adolescents’ diet, and pay more attention to packaging of healthy foodsand making them more attractive.

Behavior, Junk foods, Knowledge, Perception, Student