ASSOCIATION OF BELIEF ABOUT MEDICATION ON DRUG ADHERENCE FOR THE TREATMENT OF TYPE 2 DIABETES MELLITUS, HYPERLIPIDAEMIA AND HYPERTENSION IN THE COMMUNITY OF TWO SELANGOR DISTRICTS
Poor drug adherence is a global problem, especially with the treatment of chronic conditions. Non-adherence to long-term medication is a complex phenomenon of multifactorial causation that include beliefs about medication. This study aimed to assess the association of beliefs about medications on patients' drug adherence to the treatment of chronic conditions. This was a cross-sectional study that involved 470 respondents and carried out in two semi-rural areas in Selangor, Malaysia. Respondents had one or more of the following chronic conditions: type 2 diabetes mellitus, hypertension and hyperlipidaemia and had been prescribed with long-term treatments for a minimum of three months. The validated questionnaires used were Belief about Medication Questionnaire (BMQ) and Adherence to Refill and Medication Scale (ARMS). From the correlation analysis, belief about medication necessity had positively correlated with drug adherence (r=-0.249, p<0.001). Meanwhile, belief about medication concern (r=0.235, p<0.001) and harm (r=0.214, p<0.001) were associated with reduction in drug adherence. However, no significant correlation was found between belief about medication overuse and drug adherence (p>0.005). In summary, patients’ beliefs about medication have a weak association with drug adherence among patients with type 2 diabetes mellitus, hyperlipidaemia and hypertension in this community.
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