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 medic...

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Bibliographic Details
Published in:Patient education and counseling 2014-02, Vol.94 (2), p.261-268
Main Authors: Park, Linda G, Howie-Esquivel, Jill, Chung, Misook L, Dracup, Kathleen
Format: Article
Language:English
Subjects:
Adherence
Adult
Aged
Aged, 80 and over
Analysis of Variance
Antiplatelets
Cell Phone
Coronary Disease - drug therapy
Coronary heart disease
Dosage
Female
Heart diseases
Humans
Hydroxymethylglutaryl-CoA Reductase Inhibitors - therapeutic use
Internal Medicine
Male
Medication Adherence
Middle Aged
Mobile phone
Nursing
Patient Satisfaction
Platelet Aggregation Inhibitors - therapeutic use
Prospective Studies
Randomized controlled trials
Reminder Systems
Response rate
Statins
Text Messaging
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Summary: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.
ISSN:0738-3991
1873-5134
DOI:10.1016/j.pec.2013.10.027