Abstract
INTRODUCTION: This study was aimed to compare the effect of nutrition educational program based on HBM with traditional education recommended weight gain among pregnant women in Gonabad. Target population was pregnant women who were resided in Gonabad and went to urban health care centers for prenatal cares. MATERIALS AND METHODS: 110 pregnant women (case group: 54, control group: 56) were selected who had come to this centers in the first stage of prenatal care (6th -10th week of pregnancy) in 1388 and were consequently classified in case and control group. There is no significant difference for age, education, number of parity, history of abortion and job between case and control groups. RESULTS: There was no significant differences in nutritional behavior mean score before intervention in case (74.42 ± 12.78) and control (77.14 ± 15.35) groups (P value = 0.82, independent t- test); but after education, intervention was significant in nutritional behavior between two groups (P value = 0.01, independent t-test); DISCUSSION: after intervention, there also was significant difference in HBM structures mean score in case group compare with control group and the highest rise in score was related to perceived benefits (15.13 increment).