Physical activity levels and self-efficacy of Greek children with congenital heart disease compared to their healthy peers.

Objective: It remains a challenge for children with congenital heart disease (CHD) to develop healthy lifestyle behaviors. This study investigates the interrelationship of physical activity and self-efficacy levels in Greek children with corrected CHD and compares them with those of healthy controls.

Methods: A prospective cross-sectional study of 76 patients with operated CHD and 78 healthy volunteers (n = 154) was conducted.