Family-based prevention of overweight and obesity in children aged 2–6 years: a systematic review and narrative analysis of randomized controlled trials

The aim of this study was to assess the effectiveness of family-based interventions for the prevention of overweight and obesity in children aged 2–6 years. The research found evidence of preventive family interventions is limited. The authors concluded effective interventions aimed at preventing childhood obesity need to begin before children start school and parents being positive role models was crucial.

The current evidence is limited as it is not clear what elements should constitute a multicomponent intervention, however, a common aspect of the trials showing positive effects is that they included an intervention with a minimum of 12 weeks, lasting for a minimum of 45 minutes per session, and focusing on more than one lifestyle behaviour.