Introduction: The high cases of hypertension are increasing due to the lack of public knowledge in the management of eating patterns. This revolves around cultural, environmental, and educational factors that can affect knowledge and attitudes in people with hypertension. The aim of this study is to determine the effect of health education on knowledge and attitudes of hypertension patients.
Method: This study used a one group pre-post test design. The study was conducted in one village in Java region of Indonesia, which involved 56 respondents, selected by purposive sampling. The research instruments used were knowledge and attitude questionnaire sheets. Statistic analysis by utilizing Wilcoxon sign rank test to determine the difference between pre and post test with a significance value of p < 0.05.
Results: The results of the knowledge variable before and after being given health education with a p-value = 0.000, and for the attitude variable with a p-value = 0.000. This shows that there is a difference in average between the results of knowledge and attitudes of hypertensive patients before and after being given health.
Conclusion: Health education about the DASH diet affects knowledge and attitudes in patients with hypertension.