Table A1.

Inclusion and exclusion criteria based on the PCC elements.

PCC Elements	Inclusion Criteria	Exclusion Criteria
Population	Patients (>18 years) with a diagnosed CHD No limitation of the number of participants, origin, gender of the study participants	Patients who are at risk of coronary heart disease Relatives of cardiovascular patients, e.g., children Comorbid heart disease (e.g., congenital heart defect, heart transplant) Healthy, voluntary study participants
Concept	mHealth Application
	Wearable mHealth applications for patients with CHD Studies using qualitative or quantitative methods to evaluate mHealth applications (e.g., standardized questionnaires, quality guidelines, device data sets, usage logs) No limitation of the evaluation parameters Fully developed mHealth applications	mHealth applications for the use of exclusively: Risk factors (e.g., high blood pressure) Diabetes Chronic Obstructive Pulmonary Disease Pregnancy Nutrition assessment (e.g., food tracking) Sport and Wellness Sensor technology (e.g., implanted sensor) Applications that are only designed for health care providers, e.g., Clinical Assessment Tool A risk screening tool of CHD for the population Pure descriptions of the apps (e.g., system, technical, program, algorithm description)
	Study Design
	Single study designs for evaluating a mHealth intervention for patients with CHD Written in English or German	Study protocols Preliminary studies (e.g., for the development of the app) Reviews (e.g., systematic reviews, scoping reviews) Case studies
Context	No limitation of cultural parameters (e.g., geographical location, social origin, gender-specific interests)	Unpublished literature
	No restriction of the setting, e.g., acute care, primary care, rehabilitation facilities
	Full texts