Report on behavioural objectives and determinants of physical activity and sedentary behaviour among adolescents

This report will give an overview of behavioural objectives and of individual and environmental factors that need to be taken into account when aiming to change physical activity and sedentary behaviour. Moreover, attention will be given to how these may differ for at-risk groups. This part is also important to know which environmental and contextual factors influence behaviour, that we may wish to include as contextual information in the exergame.