Objective:
The relative contribution of health promotion models to improve health-related behaviors in intervention programs are still limited. Here, we tested whether Pender’s health promotion model (HPM) operationalized in the educational intervention was effective to modify nutrition and physical activity (PA) behaviors among Iranian women.
Design:
A randomized controlled field trial evaluating the efficacy of an educational intervention based on Pender’s HPM to improve PA and nutrition behaviors from August 2016 to October 2016. R version 3.0.2 and SPSS version 16 were used to conduct multiple statistical analyses.
Setting:
Ten public healthcare centers in Bojnourd, Iran were randomly divided into intervention and control groups. The experimental group received the full intervention program, which included nine 4-hours training sessions and consulting support via phone contact and social media group. The control group did not receive any intervention.
Participants:
Women aged 4–6 years (n 202) were randomized to intervention (n 102) and control conditions (n100), and completed baseline and 3-months follow-up.
Results:
In the experimental group, the intervention program had a significant effect (p < 0.05) on all construct of Pender’s HPM and behavior outcome, and the estimate (95% CI) for prior behaviors, self-efficacy, interpersonal influences, feeling, perceived benefits and barriers, commitment, and behaviors outcomes in the intervention group were 0.72 (0.31-0.98), 0.54 (0.27-0.71), 0.74(0.27-0.91), 0.52(0.19-0.75), 0.62 (0.22-0.91), 0.63(0.30-0.86), and 0.56 (0.37-0.85), respectively.
Conclusions:
Educational intervention based on Pender’s HMP was feasible and highly acceptable to modify PA and nutrition behaviors in the women population.