HNF1A and type 1 diabetes mellitus: When we evaluated HNF1A polymorphisms and related clinical traits among T1D participants, we found an association of IDAA1c with rs1169286 T > C and rs1169288 A > C (p-value = 0.0027, beta = −0.39; p-value = 0.008, beta = −0.35, respectively).