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International Journal of Hypertension
Volume 2014 (2014), Article ID 245480, 7 pages
Research Article

Sodium Intake, Dietary Knowledge, and Illness Perceptions of Controlled and Uncontrolled Rural Hypertensive Patients

1Public Health Department, School of Health, Ardabil University of Medical Sciences, Ardabil 5618953141, Iran
2Health Education & Promotion Department, School of Health, Isfahan University of Medical Sciences, Isfahan 817473461, Iran
3Food Security Research Center & Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
4Department of Epidemiology and Biostatics, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran
5Community Medicine Department, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran

Received 18 October 2013; Revised 3 December 2013; Accepted 17 December 2013; Published 4 February 2014

Academic Editor: Mandy Kwan

Copyright © 2014 Aziz Kamran et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Introduction and Objectives. Nutritional knowledge of the patients is important in dietary adherence. This study aimed to determine the relationship between illness perceptions and nutritional knowledge with the amounts of sodium intake among rural hypertensive patients. Methods. In a cross-sectional study, 671 hypertensive patients were selected in a multistage random sampling from the rural areas of Ardabil city, Iran, in 2013. Data were collected using a questionnaire consisting of four sections and were analyzed using Pearson correlation and multiple linear regressions by SPSS-18. Results. The mean of sodium intake in the uncontrolled hypertensive patients was  mg/day and significantly greater than controlled group (  mg/day) ( ). Knowledge and illness perceptions could predict 47.2% of the variation in sodium intake of uncontrolled group. A significant negative relationship was found between knowledge and illness perceptions of uncontrolled hypertensive patients with dietary sodium intake ( , and , , resp.). Conclusion. Considering the fact that patients’ nutritional knowledge and illness perceptions could highly predict their sodium intake, the importance of paying more attention to improve patients’ information and perceptions about hypertension is undeniable, especially among the uncontrolled hypertensive patients.