Table 3.

Diabetes Incidence in Study Participants by Parents’ Age at Death or at Study Entry if Living

	Number of Participants	Number of Events (new diabetes cases)	Person-Years of Follow-up	Incidence Rate (95% CI) (per 100 person-y)
Father’s age at death (y)
<50	229	57	601.5	9.5 (7.4–12.2)
50–59	277	61	737.0	8.3 (6.5–10.6)
60–69	522	110	1420.5	7.7 (6.5–9.3)
70–79	519	102	1416.5	7.2 (5.9–8.7)
≥80*	618	114	1740.0	6.6 (5.5–7.8)
Mother’s age at death (y)
<50	156	45	422.5	10.7 (8.0–14.1)
50–59	188	36	497.5	7.2 (5.3–10.0)
60–69	295	66	788.0	8.4 (6.6–10.6)
70–79	401	77	1106.5	7.0 (5.6–8.7)
≥80*	699	140	1921.0	7.3 (6.2–8.6)

Note: ^*The ≥80 group includes people whose father (or mother) was still alive and aged 80 years or older.