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Iran J Nurs Midwifery Res. 2018 Nov-Dec;23(6):458-464. doi: 10.4103/ijnmr.IJNMR_141_17.

The Effects of Extended Parallel Process Model on Obese Soldiers' Knowledge, Attitudes, and Practices about Obesity Management: A Randomized Controlled Clinical Trial.

Author information

Department of Anaesthesiology, Faculty of Paramedicine, Qom University of Medical Sciences, Qom, Iran.
Department of Maternal Newborn Health, Faculty of Nursing, AJA University of Medical Sciences, Tehran, Iran.
Department of Community Health Nursing, Faculty of Nursing, AJA University of Medical Sciences, Tehran, Iran.
Department of Health and Social Medicine, Faculty of Medicine, AJA University of Medical Sciences, Tehran, Iran.



There are standard guidelines for obesity management, although only few obese people can adhere to these guidelines. This study aimed to assess the effects of Extended Parallel Process Model (EPPM) on obese soldiers' knowledge, attitudes, and practices (KAPs) about obesity management.

Materials and Methods:

This randomized controlled clinical trial was conducted in Yazd, Iran (2016). Two military centers were chosen through simple random sampling. They were randomly assigned to the experimental or the control group. Then, individuals were randomly selected and either received or did not receive high-risk and efficacy information about obesity. The KAPs of soldiers were measured by researcher made questionnaires before, immediately after, and 1 month after training.


Independent t test showed significant differences in perceived severity susceptibility response efficacy self-efficacy knowledge and practices between two groups immediately after training (p < 0.001).


It seems that obesity management training according to EPPM is effective to the improvement of soldiers' KAP during military services.


Health education; Iran; military personnel; obesity management

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