(PO28-16-22) Assessing Usability of Sodium Intake Controlling Mobile Application Among Hypertensive Patients: Protocol and Study Design for Intervention Study

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Presenting Author(s)

YL

Yu Jin Lim, Bachelors
– Student, Sookmyung Women’s University, Department of Food and Nutrition, Seoul, Seoul-t'ukpyolsi, Republic of Korea

Co-Author(s)

HP

Hyun-Jin Park
– Amazing Food Solution, Inc.
JL

Jeong Sook Lee
– Catholic University of Korea Eunpyeong St. Mary's Hospital, Department of Neurology
YK

Yong-Jae Kim
– Catholic University of Korea Eunpyeong St. Mary's Hospital, Department of Neurology
HK

Hyun-Sook Kim, Dr.
– Professor, Sookmyung Women's University, Seoul, Seoul-t'ukpyolsi, Republic of Korea

Disclosure(s):

Yu Jin Lim, Bachelors: No relevant financial relationship(s) with ineligible companies to disclose.

Objectives: Previous studies have proven that hypertension can be a major risk factor for cardiovascular diseases. Excessive sodium intake has been known to be a significant cause of hypertension, and studies have been conducted to develop effective methods that can assist in lowering dietary sodium intake. This study is an open-label intervention study that aims to assess the effect of the usage of a mobile application specifically designed to aid in lowering the dietary sodium intake of hypertensive patients.

Methods: Study participants will be divided into two groups, one being the mobile application group, and the other being the no application group. Recruitment and screening process is being conducted in 4 different research centers (Catholic University of Korea Eunpyeong St.Mary's Hospital, Myongji Hospital, Inje University Busan Paik Hospital, Hallym University Sacred Heart Hospital), with participants being distributed into each group randomly. Recruited participants receive a blood and urine sample test along with a measurement of their baseline systolic and diastolic blood pressure. They are then either provided with guidelines on how to use the mobile application, or a basic nutrition education session depending on which group they are positioned into. Participants are then instructed to visit their designated research centers 16 weeks after their first visit for follow-up, with the mobile application group being encouraged to use the mobile application during that time period. After the post-study follow up is finalized with every participant, blood pressure and biomarker changes between the two groups will be compared with t-test Using SAS 9.4.

Results: Result of the study applying this protocol will be provided after completion of the research.

Conclusions: Evaluation of the effectiveness of this new utility for reducing sodium intake for controlling blood pressure is expected through this study.

Funding Sources: The study protocol was approved by the institutional review boards of Sookmyung Women’s University (SMWU-2103-HR-009). This research is funded by the Korea Centers for Disease Control and Prevention (2020ER630401).