INS and diabetes mellitus: Of the individuals with DM, 1.9% reported age of diagnosis under 18 years, an age group in which three quarters of the cases of type 1 or immune-mediated DM occur, though both did not use insulin, so they could not be classified as individuals with type 1 DM, and it may indicate the early onset of type 2 DM, which is increasingly being diagnosed at younger ages1.