IRCT2014042315797N3 IRCT 2014-07-12 Vice chancellor for research, Hamadan University of Medical Sciences Effect of health promotion interventions on nutritional behaviors Effect of community-based health promotion interventions on nutritional behaviors of households in Hamadan city by applying the combined model 2014-06-22 anticipated 842 Complete https://irct.ir/trial/14955 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention. N/A nutritional behaviors. Intervention 1: Interventions will be performed using Train to trainer strategy to promote nutritional behaviors of mothers and students. In this method, teachers and school health educators will be trained, to teach the students about healthy eating behaviors. Finally, mothers will be trained by students. Interventions for 3 months included: education about food groups and nutritional behaviors; providing educational aids including pamphlet, booklet, display video and banner installation; holding painting competitions and providing wallpaper to promote nutritional behaviors. To assess the rate of learning, mothers and students will write their homework in the logbook. Intervention 2: For the control group will not perform any of the action that will be taken for the intervention group.