Intervention on whole grain with healthy balanced diet to manage childhood obesity (GReat-Child™trial): study protocol for a quasi-experimental trial

The rapid increase in childhood obesity is a serious public health problem, and has led to the development of many interventions. However, no intervention has emphasized whole grains as a strategy to manage childhood obesity. Therefore, this article describes the protocol of a 12-week multi-component, family-based intervention on whole grain, using a healthy balanced diet for managing childhood obesity.