Résumé
Introduction and Aims: today, with the advances in science, technology and industry the life-style of people has been changed. As we can see customs, traditions and indigenous cultures are faded in nutrition and food behaviors. In addition, in many of communities the use of fast foods has prevalent. Teenagers are interested in and almost one-third of them consume fast foods daily. The purpose of this study was to assess the effect of the education based on theory of planned behavior in consumption of fast foods in high school girls' students of Sabzevar city in 2014
Materials and Methods: method of this study, was a quasi-experimental with two experimental] N = 25[and control] N = 25[groups consisted of 50 high school students [third grade] in 2014. The questionnaire based on structures of planned behavior theory was used. According to preliminary results, educational content developed and presented in the experimental group. After 3 months training program, data were collected and analyzed by using SPSS v.14 software
Results: According to the results, 82.2% of the students used fast food at least twice a month. Knowledge, attitude, subjective norms and perceived behavioral control predicted 56.50% of behavioral intention and 20.32% of the behavior. Moreover, attitude was the most significant predictor of behavioral intention [beta = 0.274].
Conclusion: results showed that students do not have enough experience. Reducing the consumption of processed foods in this group can be providing by knowledge of healthy nutrition and appropriate educational interventions