From: Recent trends in chronic disease, impairment and disability among older adults in the United States
 | ADL or IADL Disability, % (95% Confidence Interval) | ||
---|---|---|---|
 | Any ADL | Any IADL | Either ADL or IADL |
Overall | Â | Â | Â |
   1998, n = 10390 | 19.2 (18.4, 20.0) | 17.8 (17.0, 18.6) | 26.3 (25.4, 27.2) |
   2004, n = 10621 | 17.4 (16.6, 18.2) | 17.7 (16.9, 18.5) | 25.3 (24.4, 26.2) |
   2008, n = 10557 | 18.4 (17.6, 19.2) | 16.6 (15.8, 17.4) | 25.4 (24.5, 26.3) |
 | p = 0.01 | p = 0.06 | p = 0.25 |
Respondent Age | Â | Â | Â |
65-69 years | Â | Â | Â |
   1998, n = 3018 | 12.4 (11.2, 13.7) | 9.1 (8.0, 10.2) | 16.3 (14.9, 17.8) |
   2004, n = 3392 | 11.3 (10.2, 12.6) | 9.2 (8.2, 10.4) | 15.5 (14.2, 16.9) |
   2008, n = 3128 | 13.1 (11.7, 14.7) | 9.5 (8.3, 10.8) | 17.0 (15.5, 18.7) |
 | p = 0.15 | p = 0.89 | p = 0.31 |
70-74 years | Â | Â | Â |
   1998, n = 2720 | 15.3 (13.9, 16.8) | 12.6 (11.0, 13.5) | 20.4 (18.8, 22.0) |
2004, n = 2656 2008, n = 2908 | 13.4 (12.0, 14.9) 13.2 (11.9, 14.6) | 12.2 (10.9, 13.6) 11.7 (10.5, 13.1) | 19 (17.4, 20.7) 19 (17.4, 20.6) |
 | p = 0.08 | p = 0.84 | P = 0.38 |
75-79 years | Â | Â | Â |
   1998, n = 2284 | 19.4 (17.7, 21.3) | 19.1 (17.4, 20.9) | 27.6 (25.6, 29.6) |
   2004, n = 2031 | 17.1 (15.3, 18.9) | 17.6 (15.8, 19.4) | 25.7 (23.7, 27.8) |
   2008, n = 2180 | 19.2 (17.4, 21.2) | 15.1 (13.4, 16.8) | 25.4 (23.4, 27.5) |
 | p = 0.12 | p = 0.01 | p = 0.27 |
80-84 years | Â | Â | Â |
   1998, n = 1465 | 26.5 (24.1, 29.1) | 26.7 (24.2, 29.2) | 37.6 (34.9, 40.4) |
   2004, n = 1609 | 22.2 (20.1, 24.5) | 23.4 (21.1, 25.8) | 32.8 (30.3, 35.4) |
   2008, n = 1517 | 23.1 (22.4, 25.2) | 24.6 (22.3, 27.1) | 35.1 (32.5, 37.8) |
 | p = 0.03 | p = 0.17 | p = 0.05 |
≥ 85 years |  |  |  |
   1998, n = 1306 | 41 (38.0, 44.2) | 46.6 (43.3, 49.6) | 56.4 (53.2, 59.5) |
   2004, n = 1425 | 36.6 (33.7, 39.3) | 44.7 (41.5, 47.7) | 54.0 (50.9, 57.1) |
   2008, n = 1588 | 36.4 (35.9, 39.4) | 39.1 (41.0, 44.5) | 50.2 (47.2, 53.1) |
 | p = 0.08 | p = 0.002 | p = 0.02 |
Respondent Sex | Â | Â | Â |
Male | Â | Â | Â |
   1998, n = 4463 | 15.6 (14.5, 16.8) | 15.3 (14.2, 16.5) | 23.0 (21.7, 24.3) |
   2004, n = 4595 | 14.9 (13.9, 16.1) | 15.9 (14.7, 17.0) | 23.2 (21.9, 24.5) |
   2008, n = 4441 | 15.0 (13.9, 16.2) | 13.8 (12.7, 14.9) | 21.6 (20.3, 23.0) |
 | p = 0.65 | p = 0.02 | p = 0.18 |
Female | Â | Â | Â |
   1998, n = 5927 | 21.7 (20.6, 22.9) | 19.6 (18.6, 20.7) | 28.7 (27.5, 30.0) |
   2004, n = 6026 | 19.3 (18.3, 20.4) | 19.1 (18.0, 20.2) | 26.9 (25.7, 28.2) |
   2008, n = 6116 | 21.0 (19.8, 22.1) | 18.8 (17.7, 19.9) | 28.3 (27.0, 29.5) |
 | p = 0.01 | p = 0.53 | p = 0.11 |