Table 2.
Demographic characteristics of subjects in the parent studies.
| Cardiovascular Health Study | Adult Changes in Thought Study | Indianapolis site of the Indianapolis-Ibadan Dementia Study | Total | |
|---|---|---|---|---|
| Age, y | ||||
| 65-70 | 132 (3%) | 297 (9%) | 123 (9%) | 552 |
| 70-75 | 2,074 (41%) | 701 (21%) | 418 (33%) | 3,193 |
| 75-80 | 1,460 (29%) | 971 (29%) | 341 (27%) | 2,772 |
| 80-85 | 884 (18%) | 804 (24%) | 200 (16%) | 1,888 |
| 85+ | 428 (9%) | 585 (17%) | 172 (14%) | 1,185 |
| Sex | * | |||
| Female | 2,916 (59%) | 1,979 (59%) | 867 (69%) | 5,762 |
| Male | 2,062 (41%) | 1,378 (41%) | 387 (31%) | 3,827 |
| Race / ethnicity | * | |||
| White | 4,072 (81%) | 3,034 (90%) | 0 | 7,106 |
| Black | 874 (18%) | 151 ( 5%) | 1,254 (100%) | 2,279 |
| Other | 32 (1%) | 172 ( 5%) | 0 | 204 |
| Education, y | † | * | ‡ | |
| 0-5 | 226 (5%) | 25 (1%) | 154 (12%) | 405 |
| 6-11 | 1,145 (23%) | 396 (12%) | 605 (48%) | 2,146 |
| 12 | 1,344 (27%) | 864 (26%) | 291 (23%) | 2,699 |
| 13-16 | 460 (9%) | 1,449 (43%) | 198 (16%) | 2,107 |
| 17+ | 1,794 (36%) | 623 (19%) | 0 | 2,417 |
*
Data missing for 1 subject
†
Data missing for 9 subjects
‡
Data missing for 6 subjects