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Learning Objective 1: To discuss medication compliance in hypertensive patients in Vienam
Learning Objective 2: To discuss knowledge and attitude of hypertensive patients toward medication compliance
Problem:One third of global deaths are attributed to cardiovascular disease (CVD). Hypertension in Vietnam steadily increased from 1.9% (1982) to 27.2% (2008). Hospital (2009) data showed that deaths from CVD (intra-cerebral hemorrhage, acute myocardial infarction, stroke and heart failure) were responsible for #4, 5, 7 and 8 among top ten leading causes of death (PT Son, 2012). Vietnam has a relatively weak health information system; consequently, there is little information on hypertension.
Research question: What is the relationship between knowledge, attitudes and medication compliance in patients diagnosed with hypertension?
Theoretical Framework Rosenstock (1988) Social Learning & Health Belief Model
Methods: A cross-sectional, descriptive study was conducted with 386 hypertensive patients (60% female), mean age: 61). The researcher used Morisky's (2008) Medication Adherence survey (38 questions) and determined the relationship between these variables by Chi squared test, Fisher's test.
Results: The level of knowledge of medication usage in outpatients diagnosed with hypertension was 55.7%; rate of positive attitudes- 35.8% and 49.5% of patients with medication compliance. There was a correlation between attitudes toward medication use and medication compliance (OR=1.78, 95% CL: 1:17-2.71, p=0.007). There was no signficant relationship between knowledge of medication usage and medication compliance (p>0.05). There was significantly association between knowledge and attitudes toward medication use in those compliant patients versus those non-compliant with medication (OR=3.07, 95% Cl:1.65-5.72, p<0.0001).
Conclusions: Patients who had positive attitudes toward medication use and who were > 50 years of age reported higher medication compliance.