Depends on question
If the question is do chubby kids get type 1 dm more often than others, the answer is no.
Given that about 1/3 of usa kids are heavier than they should be, the fluffy ones still get type 1 @ the same rate as others. Kids with poorly controlled dm can and do become overweight
later do to a combination of issues. This is different from type 2 wher obesity
is almost always a triggering factor.