TABLE 1.

Descriptive data on the study population

	Female probands 0–17	Male probands 0–17	All probands 0–17	Female proband 15–39	Male proband 15–39	All proband 15–39	All proband 0–39
Offspring	2,501*	3,333*	5,821*	1,667	2,214	3,881	9,696†
Girls	1,248	1,615	2,857	809	1,108	1,961	4,771
Boys	1,253	1,718	2,964	858	1,106	1,915	4,925
Offspring with T1D	100	218	318	50	47	97	413‡
Girls	45	99	144	21	29	50	194
Boys	55	119	174	29	18	45	219

Fourteen offspring with type 1 diabetes were excluded from the analyses because they had both parents with type 1 diabetes.

*Thirteen offspring had both parents from the early-onset cohort;

†six overlapped offspring with 2 diabetics; and

‡two overlapped offspring with type 1 diabetes. T1D, type 1 diabetes.