The Relationship Between Physical Activity and Body Mass Index with Hemoglobin A1c in Children with Type 1 Diabetes Mellitus Yunita Putri Ragil Pratiwi1, Nur Rochmah2,3*, Rio Wironegoro4,5, Azwin Menghindra Putra2,3 Abstract Background: In children with type 1 diabetes mellitus (T1DM), extensive destruction of pancreatic β-cells is observed, primarily mediated by