Table 1.

Number of families with affected (T1D + complications)-unaffected (T1D only) members.

Affected-unaffected family members	N families (%)
1 affected-1 unaffected	68 (16)
2 affected-0 unaffected	50 (12)
0 affected-2 unaffected	210 (51)
Other	87 (21)
Total	415 (100)