i-CARE: a smartphone-based intervention to enhance cardiac rehabilitation in coronary artery disease—a randomized controlled trial
Authors' conclusion
Remotely delivered i-CARE intervention effectively promote self-care among CAD patients and may help address critical healthcare workforce shortages, while also conferring secondary benefits in blood pressure and HRQoL.
Study context
- Population
- Community-dwelling adults with angiographically confirmed coronary artery disease (CAD)randomized
- Participants
- 294 adults
- Comparison
- i-CARE smartphone self-care support vs standard care
- i-CAREn = 147
- Standard caren = 147reference
- Primary endpoint
- Change in CAD self-care behaviours
- Follow-up
- 3 months
Methodological detailsassessor-blinded, two-arm, two regional hospitals in Hong Kong
- Assessor-blinded
- Two-arm
- Two regional hospitals in Hong Kong
Primary result
As reported in the abstract
Self-care behaviours
β
4.055
95% CI 1.420–6.691P = 0.003
self-care maintenance
β
5.609
95% CI 1.089–10.129P = 0.015
self-care confidence
Secondary outcomes
BP and health-related quality of life (HRQoL) · 3 months
- SBP reduction with the intervention, β (95% CI), P
- −3.725 (−7.322 to −0.128), P = 0.042
- DBP reduction with the intervention, β (95% CI), P
- −2.153 (−4.228 to −0.079), P = 0.042
- HRQoL improvement with the intervention, β (95% CI), P
- 0.208 (0.073-0.343), P = 0.003
- Benefits for DBP and HRQoL sustained at 6 months
Cardiac-specific health status, blood glucose, lipid profile, waist-to-height ratio
- No significant differences
Original publication
i-CARE: a smartphone-based intervention to enhance cardiac rehabilitation in coronary artery disease—a randomized controlled trial. Eur J Prev Cardiol. Published 11 August 2025. doi:10.
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