This 2015 article by Sandra Dunbar and colleagues discusses a randomized controlled trial. The trial evaluated the effect of a self-care intervention on quality of life, physical function, and physical activity in people with heart failure and diabetes. The intervention group got plain language educational materials, a home visit, and phone calls. Meanwhile, the control group received standard educational materials and phone calls.
Researchers found that compared to the control group, the intervention group had better physical functioning and self-reported physical