Factors Associated with Perceived Self-Efficacy in Self-Adjusting of Diuretic Among Patients with Reduced Ejection Fraction Heart Failure
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Abstract
Perceived self-efficacy in adjusting diuretics among patients with heart failure may affect their ability to control fluid overload. Understanding the related factors will help promote patients’ competence in adjusting medication. This descriptive study aimed to examine 1) self-efficacy, 2) knowledge about heart failure and fluid overload management, and 3) the relationships between personal factors, knowledge about heart failure and fluid overload management, and self-efficacy in self-adjustment of diuretic medication. The sample consisted of 75 patients with heart failure with reduced ejection fraction from the Heart Failure Clinic at Sakon Nakhon Hospital. The study was conducted from February to April 2024. The research instruments included 1) a personal and health information questionnaire, 2) a questionnaire on knowledge about heart failure and fluid overload management, and 3) a questionnaire on self-efficacy in self-adjustment of diuretic medication. All questionnaires had a content validity index of 1.0 and a Cronbach's alpha coefficient of .89. Descriptive statistics, including frequency, percentage, mean, and standard deviation, were used for data analysis. Differences between groups based on personal and health factors were analyzed using t-tests and F-tests. Relationships were analyzed using Pearson's correlation coefficient. The results of this study showed that: 1) The sample group had a mean self-efficacy score of 29.00 (SD=6.31) and overall confidence in self-adjustment of diuretic medication with a mean score of 6.95 (SD=2.74); 2) Knowledge about heart failure and fluid overload prevention had a mean score of 9.92 (SD=1.43); and 3) The factor significantly associated with self-efficacy in diuretic medication self-adjustment was knowledge (r=.229, p=.048, 95% CI (.002, 0.433)). Therefore, heart failure clinics should promote knowledge about fluid overload prevention to enhance patients' confidence in self-adjustment of diuretic medication.
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บทความและรายงานวิจัยในวารสารพยาบาลกระทรวงสาธารณสุข เป็นความคิดเห็นของ ผู้เขียน มิใช่ของคณะผู้จัดทำ และมิใช่ความรับผิดชอบของสมาคมศิษย์เก่าพยาบาลกระทรวงสาธารณสุข ซึ่งสามารถนำไปอ้างอิงได้
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