Relationship among Health Literacy, Knowledge about Hypertension Control, and Health Behavior in Older Persons with Hypertension

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Kannika Kareesun
Porntip Malathum
Nuchanad Sutti


This study aimed to investigate the relationship among health literacy, knowledge about hypertension control, and health behavior in older persons with hypertension. Nutbeam’s conceptual framework of health literacy was used to guide this study. The sample consisted of 70 older persons with hypertension who were at least 80 years old in subdistrict health promoting hospitals, Chonburi Province. The sample was recruited according to the inclusion criteria and proportional stratified sampling. Data were collected by interviews using the questionnaires, including the Demographic Questionnaire, the Functional Communication and Critical Health Literacy Scales Questionnaire, the Hypertensive Knowledge Questionnaire, and the Self-Care Behavior in Hypertension Questionnaire. The data were analyzed using descriptive statistics, and Spearman’s Rho correlation coefficient. The sample had a mean score of health literacy at a moderate to high level. The mean score of knowledge about hypertension control and the mean score of total health behavior were at a moderate level. The analysis showed a significant positive relationship of health literacy to knowledge about hypertension control and health behavior, but knowledge about hypertension control was not statistically correlated with health behavior. The results showed that health literacy is essential to promote health behavior of older persons. Therefore, health care providers should find strategies to develop health literacy of older persons to critically use their knowledge for desirable health behavior to control hypertension appropriately


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Kareesun K, Malathum P, Sutti N. Relationship among Health Literacy, Knowledge about Hypertension Control, and Health Behavior in Older Persons with Hypertension. Rama Nurs J [Internet]. 2020 Jan. 7 [cited 2022 May 24];25(3):280-95. Available from:


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