Individual level (focused on work directly with the CYPD/their parent for younger CYPD); creating the opportunity for CYPD to increase their agency and capability to integrate effective diabetes management behaviours (eg, nutrition, carbohydrate counting, blood glucose monitoring and insulin intake to support daily activities and well-being), and to make use of recommended technological advances (continuous blood glucose monitoring and insulin delivery technologies), in the context of their personal lives and everyday experiences. This evidence concerns the gene INS and diabetes mellitus.