Investigating the effect of educational intervention based on the health belief model on the serum level of vitamin D in middle-aged women visiting Ahvaz Comprehensive Health Center

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Baji Zahra; ‎ Shakerinejad Ghodratollah; Tehrani Masoumeh

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Journal Paper

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Journal: Payesh Year:2026 | Volume:25 | Issue:1 Page(s): 57-68

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Information Journal Paper

Title

Investigating the effect of educational intervention based on the health belief model on the serum level of vitamin D in middle-aged women visiting Ahvaz Comprehensive Health Center

Author(s)

Baji Zahra | ‎ Shakerinejad Ghodratollah | Tehrani Masoumeh | Issue Writer Certificate

Keywords

education

women

vitamin D

middle age

Abstract

Objectives(s): Considering the significant increase in vitamin D deficiency and its role in women's health, as well as the diseases and complications caused by it, vitamin D deficiency is undoubtedly one of the most important health priorities. Therefore, the present study was conducted with the aim of investigating the effect of education based on the health belief model on the consumption of vitamin D supplements and its serum level on middle-aged women visiting Ahvaz Comprehensive Health Center. Methods: This study was conducted on 70 middle-aged women visiting health centers in Ahvaz who were facing vitamin D deficiency. The serum concentration of 25 hydroxy vitamin D of all women was measured on two occasions, upon arrival and 3 months after the end of the intervention. People were divided into two groups of 35 people (experimental and control group). education based on the health belief model was conducted for the test group. The collected data were analyzed by SPSS 26 statistical software and significance chi-square, independent and paired t tests at the level of 0. 05 significance. Results: The two groups were homogeneous in demographic variables before the intervention. The average age of the participants was 40. 2 with a standard deviation of 7. 7 years. Before the intervention, there was no significant difference in the mean scores of the health belief model constructs, supplement consumption behavior, and serum vitamin D levels between the experimental and control groups. After the educational intervention, the difference between the two groups was significant in terms of the average scores of the health belief model constructs, supplement consumption behavior and vitamin D serum level. After training, serum vitamin D concentration of the intervention group increased significantly compared to the control group. Conclusion: The results of this study showed that the design and implementation of educational programs based on the health belief model can improve vitamin D supplement consumption behavior and vitamin D serum levels in middle-aged women in the study.

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