Table 1.

Events, Person-Years, and Event Rates (per 100 person years) Over 6 y for Incident ADL Inability Events Among 5,729 CHS Participants Free of ADL Disability at Baseline

Sex by Race by Age	At Risk (n)	Number with event (n)	Person Years	Rate (95% CI)
Female	3,285	532	17,383.6	3.1 (2.8–3.3)
White
65–69	1,044	110	5,826.6	1.9 (1.6–2.3)
70–74	840	110	4,590.9	2.4 (2.0–2.9)
75–79	546	94	2,825.1	3.3 (2.7–4.1)
80–84	219	62	1,056.8	5.9 (4.6–7.5)
≥85	81	37	289.3	12.8 (9.3–17.7)
Black
65–69	189	32	1,038.2	3.1 (2.2–4.4)
70–74	172	30	871.4	3.4 (2.4–4.9)
75–79	120	33	546.0	6.0 (4.3–8.5)
80–84	52	17	232.4	7.3 (4.5–11.8)
≥85	22	7	106.9	6.6 (3.1–13.7)
Male	2,444	261	12,513.8	2.1 (1.9–2.4)
White
65–69	636	41	3,468.0	1.2 (0.9–1.6)
70–74	694	61	3,716.6	1.6 (1.3–2.1)
75–79	439	48	2,217.0	2.2 (1.6–2.9)
80–84	246	35	1,119.7	3.1 (2.2–4.4)
≥85	94	29	351.4	8.3 (5.7–11.9)
Black
65–69	118	12	605.8	2.0 (1.1–3.5)
70–74	118	15	611.2	2.5 (1.5–4.1)
75–79	54	11	236.4	4.7 (2.6–8.4)
80–84	30	5	128.4	3.9 (1.6–9.4)
≥85	15	4	59.4	6.7 (2.5–17.9)
Total	5,729	793	29,897.4	2.7 (2.5–2.8)

Note: ADL = Activities of Daily Living, CI = Confidence interval.