Digital Health Nudging in Adolescents With Congenital Heart Disease

Digital Health Nudging - Daily Smartphone Messages to Increase Physical Activity in Adolescents With Congenital Heart Disease

In adolescents with congenital heart disease physical activity level is reduced which is why promotion to a more active lifestyle with an age-appropriate and modern intervention is needed. In healthy subjects digital health nudging was shown to increase physical activity. However, in adolescents with congenital heart disease such studies have not been conducted yet. In this RCT participants receive daily, short smartphone messages with the primary purpose to increase daily physical activity, which is monitored with a "Garmin vivofit jr." wearable.

Inclusion Criteria:

• Adolescents aged 12 to 18 years inclusive
• Presence of a congenital heart defect (must be moderate or complex according to ACC criteria)
• Presence of written informed consent

Exclusion Criteria:

• Cognitive impairments that inhibit patients from understanding the tasks