A text messaging intervention to promote medication adherence for patients with coronary heart disease: a randomized controlled trial
- PMID: 24321403
- DOI: 10.1016/j.pec.2013.10.027
A text messaging intervention to promote medication adherence for patients with coronary heart disease: a randomized controlled trial
Abstract
Objective: Pharmacologic treatment for secondary prevention of coronary heart disease (CHD) is critical to prevent adverse clinical outcomes. In a randomized controlled trial, we compared antiplatelet and statin adherence among patients with CHD who received: (1) text messages (TM) for medication reminders and education, (2) educational TM only, or (3) No TM.
Methods: A mobile health intervention delivered customized TM for 30 days. We assessed and analyzed medication adherence with electronic monitoring devices [Medication Event Monitoring System (MEMS)] by one-way ANOVA and Welch tests, two-way TM response rates by t-tests, and self-reported adherence (Morisky Medication Adherence Scale) by Repeated Measures ANOVA.
Results: Among 90 patients (76% male, mean age 59.2 years), MEMS revealed patients who received TM for antiplatelets had a higher percentage of correct doses taken (p=0.02), percentage number of doses taken (p=0.01), and percentage of prescribed doses taken on schedule (p=0.01). TM response rates were higher for antiplatelets than statins (p=0.005). Self-reported adherence revealed no significant differences among groups.
Conclusion: TM increased adherence to antiplatelet therapy demonstrated by MEMS and TM responses.
Practice implications: Feasibility and high satisfaction were established. Mobile health interventions show promise in promoting medication adherence.
Keywords: Antiplatelets; Coronary heart disease; Medication adherence; Mobile phone; Statins; Text messaging.
Published by Elsevier Ireland Ltd.
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