[Effectiveness of combined interventions for the prevention of overweight for children and youths : A systematic review].

Background: Prevalence rates of overweight children and youths remain high meaning that preventive measures are still necessary. Combined interventions are rated highly in the field of overweight prevention, particularly with regard to the key areas of diet, physical activity and life skills.

Objectives: It is our aim to give an overview of current studies with combined interventions for the prevention of overweight, to derive comprehensive insights and to identify knowledge gaps.