The mediatory role of medication adherence in improving patients’ medication experience through patient–physician communication among older hypertensive patients
Received 16 March 2017
Accepted for publication 20 June 2017
Published 5 July 2017 Volume 2017:11 Pages 1119—1126
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Colin Mak
Peer reviewer comments 3
Editor who approved publication: Dr Johnny Chen
Woojung Lee, Youran Noh, Hyeonjin Kang, Song Hee Hong
Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, Korea
Background: Understanding how patient–physician communication affects patients’ medication experience would help hypertensive patients maintain their regular long-term medication therapy. This study aimed to examine whether patient–physician communication (information and interpersonal treatment) affects patients’ medication experience directly or indirectly through changing medication adherence for each of the two communication domains.
Methods: A self-administered cross-sectional survey was conducted for older patients who had visited a community senior center as a member. Two communication domains were assessed using two subscales of the Primary Care Assessment Survey. Medication adherence and experience were measured using the Morisky Medication Adherence Scale and a five-point Likert scale, respectively. Mediatory effects were assessed via Baron and Kenny’s procedure and a Sobel test.
Results: Patient–physician communication had a positive prediction on patients’ medication experience (β=0.25, P=0.03), and this was fully mediated by medication adherence (z=3.62, P<0.001). Of the two components of patient–physician communication, only informative communication showed a mediatory effect (z=2.21, P=0.03).
Conclusion: Patient–physician communication, specifically informative communication, had the potential to improve patients’ medication experience via changes in medication adherence. This finding can inform health care stakeholders of the mediatory role of medication adherence in ensuring favorable medication experience for older hypertensive patients by fostering informative patient–physician communication.
Keywords: patient medication experience, medication adherence, patient–physician communication, patient-centered practice, patient-reported outcome, mediation
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