A Study to Promote Physical Activity Motivation in Cardiovascular Disease Patients

This study investigates the feasibility of an app based intervention, which uses questionnaires and personalized motivational messages to achieve change in physical activity and sedentary behaviour of cardiovascular patients. The questionnaires and messages are based on behaviour change theories, such as the transtheoretical model. The intervention will take place over eight weeks. One week before and during the last week, physical activity will be measured via accelerometers. A comprehensive questionnaire will be given before and at the end of the intervention and Feasibility measures will be evaluated at the end as well, including an optional qualitative interview with the participants.