Table 2.
Observed crude incidence rates for dementia (Panel A), mortality among decedents without observed dementia over the study period (Panel B), and mortality among decedents with observed dementia over the study period (Panel C) by race/ethnicity, gender, and baseline age group.
| Panel A: Observed crude incidence ratesa,b for dementia by race/ethnicity, gender, and baseline age group. | ||||||
|---|---|---|---|---|---|---|
| NH White |
NH Black |
Hispanic |
||||
| Baseline age group | No. of Events/No. at Risk | IR (95% CI) | No. of Events/No. at Risk | IR (95% CI) | No. of Events/No. at Risk | IR (95% CI) |
| 51-64 y | ||||||
| Men | 192/2488 | 4.9 (4.2, 5.8) | 95/418 | 15.7 (12.2, 20.5) | 32/216 | 10.8 (5.9, 21.5) |
| Women | 229/3098 | 4.5 (3.9, 5.3) | 138/699 | 14.6 (12.0, 17.8) | 80/291 | 16.3 (12.3, 21.8) |
| 65-74 y | ||||||
| Men | 345/1914 | 16.0 (14.4, 17.8) | 98/248 | 45.9 (37.2, 57.2) | 46/136 | 34.8 (26.2, 47.1) |
| Women | 455/2260 | 17.1 (15.6, 18.8) | 163/370 | 49.9 (42.8, 58.4) | 67/159 | 42.5 (33.1, 55.1) |
| 75-84 y | ||||||
| Men | 296/1111 | 34.4 (30.8, 38.5) | 41/100 | 66.4 (49, 90.9) | 27/62 | 55.7 (37.1, 85.3) |
| Women | 584/1561 | 43.5 (40.3, 47.0) | 103/174 | 83.4 (71.3, 97.7) | 49/86 | 75.3 (55.9, 101.8) |
| ≥85 y | ||||||
| Men | 65/258 | 47.9 (37.8, 61.2) | 11/32 | 74.0 (38.3, 149.8) | 4/10 | 106.1 (35.6, 346.2) |
| Women |
180/452 |
79.4 (69.2, 91.4) |
32/62 |
116.8 (85.8, 160.3) |
17/29 |
107.6 (65.6, 177.2) |
| Panel B: Mortality ratesa,b among decedents without observed dementia over the study period by race/ethnicity, gender, and baseline age group. | ||||||
| NH White |
NH Black |
Hispanic |
||||
| Baseline age group |
No. of Events/No. at Risk |
MR (95% CI) |
No. of Events/No. at Risk |
MR (95% CI) |
No. of Events/No. at Risk |
MR (95% CI) |
| 51-64 y | ||||||
| Men | 636/2296 | 17.9 (16.3, 19.5) | 116/323 | 24.5 (19.6, 30.8) | 46/184 | 13.4 (9.4, 19.6) |
| Women | 550/2869 | 12.3 (11.2, 13.5) | 151/561 | 20.5 (17.0, 24.8) | 34/211 | 10.5 (6.9, 16.5) |
| 65-74 y | ||||||
| Men | 885/1569 | 48.4 (45.4, 51.5) | 100/150 | 68.2 (54.6, 85.3) | 52/90 | 53.0 (39.9, 71.1) |
| Women | 796/1805 | 36.4 (34.1, 39.0) | 93/207 | 41.8 (33.4, 52.6) | 35/92 | 31.7 (22.9, 44.7) |
| 75-84 y | ||||||
| Men | 729/815 | 108.2 (101.9, 114.9) | 56/59 | 145.2 (111.3, 187.1) | 30/35 | 118.5 (85.4, 163.8) |
| Women | 792/977 | 89.9 (84.7, 95.3) | 64/71 | 112.9 (88.5, 143) | 33/37 | 99.2 (75.8, 128.8) |
| ≥85 y | ||||||
| Men | 192/193 | 196.7 (177.4, 217.5) | 21/21 | 183.4 (126.1, 257.6) | 6/6 | 191.1 (82.6, 375.8) |
| Women |
268/272 |
184.0 (169.2, 199.8) |
30/30 |
247.8 (185.5, 322.6) |
12/12 |
155.3 (100.4, 228.5) |
| Panel C: Mortality ratesa,b among decedents with observed dementia over the study period by race/ethnicity, gender, and baseline age group. | ||||||
| NH White |
NH Black |
Hispanic |
||||
| Baseline age group |
No. of Events/No. at Risk |
MR (95% CI) |
No. of Events/No. at Risk |
MR (95% CI) |
No. of Events/No. at Risk |
MR (95% CI) |
| 51-64 y | ||||||
| Men | 84/192 | 88.7 (68.7, 115.0) | 40/95 | 66.9 (44.9, 100.9) | 16/32 | 125.4 (46.4, 412.6) |
| Women | 91/229 | 84.6 (67.9, 105.8) | 42/138 | 46.1 (31.9, 67.7) | 17/80 | 33.1 (18.2, 64.3) |
| 65-74 y | ||||||
| Men | 231/345 | 169.2 (150.1, 190.5) | 62/98 | 130.6 (99.6, 171.4) | 27/46 | 132.7 (89.4, 201.4) |
| Women | 251/455 | 141.6 (126.2, 158.9) | 88/163 | 95.0 (77.7, 116.6) | 24/67 | 56.0 (36.4, 88.4) |
| 75-84 y | ||||||
| Men | 258/296 | 230.8 (208.9, 254.7) | 36/41 | 199.2 (158.7, 247.6) | 22/27 | 127.6 (91.5, 177.6) |
| Women | 468/584 | 207.7 (192.8, 223.7) | 86/103 | 162.2 (139.4, 188.5) | 36/49 | 122.2 (89.5, 165.3) |
| ≥85 y | ||||||
| Men | 64/65 | 398.0 (312.5, 500.2) | 11/11 | 333.4 (235.1, 468.4) | 4/4 | 203.2 (101.3, 358.5) |
| Women | 177/180 | 303.7 (274.9, 334.8) | 28/32 | 187.7 (121.6, 281.4) | 16/17 | 208.2 (116.5, 358.4) |
Notes: MR, Mortality Rate; NH, Non-Hispanic.
a
Per 1000 Person-Years.
b
Unweighted counts and weighted IRs are shown.