TABLE 1

Subject characteristics

SiblingsParents
Nondiabetic
n1,3772,313
 Age at time of analysis16.8 (0.23–40)44 (23–94)
 Male:female656:7211,092:1,221
Type 1 diabetes
n53106
 Age at diagnosis6.7 (0.5–17)21 (1–56)
 Male:female24:2970:36
 Diabetes on study entry2791
 Diabetes onset during follow-up2615
  • Data are n and median (range).