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Mobile App-based Self-monitoring of Health Behaviors in Middle-aged Men After Myocardial Infarction: A One-year

Sun Hwa Kim1, Seon Young Hwang2, In Ae Um3

  • 1Department of Nursing, Hanyang University Hospital, 222-1 Wangsimni-ro, Seongdong-gu, 04763, Seoul, South Korea.

Asian Nursing Research
|February 6, 2026
PubMed

Insights

A mobile app improved health behaviors and psychological outcomes in middle-aged men after myocardial infarction (MI) at risk for heart failure (HF). This digital health strategy supports sustained self-care and lifestyle modification.

Area of Science:

  • Cardiology
  • Digital Health
  • Behavioral Science

Background:

  • Middle-aged men post-myocardial infarction (MI) with heart failure (HF) risk need sustained self-care.
  • Effective long-term health behavior management is crucial for this population.

Purpose of the Study:

  • To evaluate the one-year efficacy of a mobile app-based weekly self-monitoring program.
  • The program was grounded in the Information-Motivation-Behavioral Skills model.

Main Methods:

  • A single-blind, randomized controlled trial involved 68 post-MI men with left ventricular ejection fraction (LVEF) <50%.
  • Participants used a mobile app with weekly self-monitoring and algorithm-based feedback, or received standard care.
  • Outcomes were assessed at baseline and 3, 6, and 12 months, analyzed using repeated measures ANOVA.

Main Results:

  • The app group showed sustained improvements in health behaviors and reduced negative illness perception at 3 and 6 months.
  • Resilience was significantly higher in the app group.
  • No significant differences in depression were observed between groups.

Conclusions:

  • Weekly app-based self-monitoring effectively improved health behaviors and psychological outcomes in post-MI men at risk for HF.
  • This digital healthcare strategy promotes lifestyle modification in outpatient care.
  • Mobile app interventions are a feasible approach for managing chronic conditions post-MI.
Abstract

Keywords:
health behaviorsheart failuremobile applicationsmyocardial infarctionself-care

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