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J Educ Health Promot. 2019 Oct 24;8:200. doi: 10.4103/jehp.jehp_109_19. eCollection 2019.

The effect of educational program based on theory of planned behavior on health promotion and childbearing of minor thalassemia couples.

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Nursing and Midwifery Schools, Mashhad University of Medical Sciences, Mashhad, Iran.
Reproductive Health Department, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran.
Health Research Center, Life Style Institute, Baqiyatallah University of Medical Sciences and Health Education Department, School of Health, Baqiyatallah University of Medical Sciences, Tehran, Iran.
Mashhad University of Medical Sciences, Department of Biostatistics and Epidemiology, Mashhad, Iran.
Nursing and Midwifery School, Mashhad University of Medical Sciences, Mashhad, Iran.



It is essential to provide key information and support to every woman regarding pregnancy and childbirth to enable all women to make a fully informed decision regarding their choice of reproduction. The study aimed to find the impact of an educational program based on the Theory of Planned Behavior (TPB) on health promotion and childbearing of minor thalassemia couples.


This study was quasi-experimental. A total of 70 women with minor thalassemia held in Minudasht health center were classified into two groups: study and control. The study group received the educational program based on TPB, and the control group only received the routine program. The data were collected using the TPB-based questionnaire at baseline and 3 months after the intervention. They were analyzed by Chi-square, Student's t-test, Wilcoxon test, and regression analysis through SPSS version 16.


The mean (standard deviation) ages of the participants in the control and study group were 30.69 (6.20) and 31.08 (6.66), respectively. There were significant differences between the two groups (study vs. control) in terms of perceived behavioral control, intention, attitude, or childbearing behavior (P < 0.001). The change in fertility behaviors had a significant increase in the study group (62.8%) compared to the control group (2.9%) (P < 0.001).


Based on the results, the TPB is an effective model to explain fertility intentions and behaviors in Iranian women with minor thalassemia; however, further researches are needed to generalize our findings to other people including healthy women.


Childbearing; Theory of Planned Behavior; health promotion; minor thalassemia; randomized controlled trial

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