Theory based health education: Application of health belief model for Iranian patients with myocardial infarction.

Abstract

I read the paper by Abbaszadeh et al with great curiosity because of my interest in any study with a health behavior as the “outcome”.1 In the setting of myocardial infarction (MI), this controlled study documents a decrease in barriers and an increase in knowledge and perceived benefits of controlling diet and physical activity following the use of video-CD (VCD). Using a conceptual model based on the Health Belief Model (HBM), they measured outcomes at baseline and 45 days after. The advantages of the study include applying theory-based intervention, controlled design, randomization, and attempts to increase the validity of the questionnaire. Generally, such reports in a new special clinical setting are welcomed. However, I have a few points of criticism, related to the methodology, statistical analysis, and presentation of results. After talking about my critical points, I will discuss health behaviors, HBM, and some of the current challenges in the field. Lastly, as the study has used media for health education, I discuss the possibility of tailoring within media based health education.

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