Objective: The present study aimed to evaluate patients' knowledge about their newly prescribed medications, contributing factors, and preferred sources of medication-related information.
Methods: A cross-sectional study using an online survey was conducted among 931 customers of a mail-order pharmacy. Medication-related knowledge was examined using a novel knowledge index (KI) assessing medication dosage, indication, time of administration, and side effects. Patients' preferred sources of information were assessed. Univariate and multivariate regression analyses were performed to investigate predictors of medication-related knowledge.
Results: The average KI score was 2.97 (SD = 0.73); most participants answered correctly when asked about indication (94.2 %), dosage (90.0 %), and time of administration (92.3 %); however, knowledge of medication-related side effects was limited (23.1 %). KI scores were predicted by greater perceived informedness, younger age, and having received a medication plan (all ps < 0.05). Preferred sources of medication-related information included physicians, written information, and information obtained via secure electronic patient records.
Conclusion: Knowledge gaps were found for medication-related side effects. Insufficient medication-related knowledge is linked to non-adherence and subsequent personal and economic costs. Electronically issued information could provide a cost-effective solution. Practical applications including "OpenNotes" are discussed.
Practice implications: Issuing medication plans via platforms such as "OpenNotes" can increase patient understanding and participation, and decrease non-adherence.
Keywords: Electronic health records; Knowledge Index; Medication knowledge; Patient education; Physician-patient relationship; Side effects.
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