The Effectiveness of Sodium Reductional Tube in Patients with Hypertension
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Abstract
This quasi-experimental research with two groups and a pre and post-test design, aimed to compare sodium consumption behavior and levels of blood pressure before and after the experiment. The samples were patients who were diagnosed with high blood pressure according to specified criteria, aged 20 years and over, with living in Bangkok and surrounding areas. They were divided into an experimental group and a control group with 54 people each. The experimental group received a knowledge program combined with innovation. Research instruments included 1) a sodium measuring tube with a scale indicating the amount of sodium obtained from fish sauce, light soy sauce and salt at standard levels; 2) a daily sodium intake and blood pressure recording form; and 3) a questionnaire on behavior related to consuming foods containing sodium that had been checked for content validity with CVI = 1 and reliability with Cronbach’s alpha = 0.95. Data were analyzed by descriptive statistics, including frequency distribution, percentage, mean and standard deviation, and inferential statistics including paired t-test and independent t-test.
The research results found that the mean score of sodium consumption behavior in the experimental group in the post-experiment was lower than the pre-experiment and lower than the control group (p < .001). The average level of blood pressure in the post-experiment was lower than the pre-experiment in the experimental group and lower than the control group (p < .001).
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