Table 1.
Sample Characteristics
| Characteristic | Full sample (%) |
With AD (%) |
Without AD (%) |
|---|---|---|---|
| n = 6051 | n = 2785 | n = 3266 | |
| Mean age (SD), years | 78.8 (11.5) | 81.1 (10.5) | 76.7 (11.9) |
| Female | 3245 (52.5) | 1552 (54.6) | 1693 (50.6) |
| Race | |||
| White | 4508 (81.0) | 2469 (91.5) | 2039 (71.4) |
| Black | 978 (11.1) | 183 (4.1) | 795 (17.4) |
| Hispanic | 460 (6.1) | 93 (2.7) | 367 (9.2) |
| Other | 105 (1.9) | 40 (1.8) | 65 (2.0) |
| Marital status | |||
| Married | 2735 (45.8) | 1197 (43.6) | 1538 (47.8) |
| Divorced or separated | 611 (11.8) | 231 (9.3) | 380 (14,1) |
| Widowed | 2493 (37.6) | 1278 (42.7) | 1215 (33.0) |
| Never married | 212 (4.8) | 79 (4.5) | 133 (5.1) |
| Education, years | |||
| <12 | 2167 (31.9) | 738 (24.5) | 1429 (38.6) |
| 12 | 2001 (34.3) | 988 (35.3) | 1013 (33.4) |
| >12 | 1876 (33.8) | 1056 (40.2) | 820 (28.0) |
| Health conditions | |||
| Cancer | 2199 (37.9) | 1157 (42.6) | 1042 (33.6) |
| Lung disease | 1585 (27.2) | 769 (28.1) | 816 (26.4) |
| Heart | 3283 (53.8) | 1595 (56.6) | 1688 (51.2) |
| Stroke | 1661 (26.6) | 785 (27.1) | 876 (26.2) |
| Memory | 1426 (22.2) | 683 (23.3) | 743 (21.2) |
| Depression | 2980 (52.5) | 1452 (54.4) | 1528 (50.7) |
| Asset quartile | |||
| First quartile | 1537 (23.5) | 514 (17.5) | 1023 (29.0) |
| Second quartile | 1448 (23.7) | 585 (20.8) | 863 (26.3) |
| Third quartile | 1467 (24.9) | 719 (25.6) | 748 (24.2) |
| Fourth quartile | 1599 (27.9) | 967 (36.1) | 632 (20.5) |
| Income quartile | |||
| First quartile | 1345 (20.8) | 450 (15.3) | 895 (25.8) |
| Second quartile | 1522 (23.9) | 685 (23.9) | 837 (23.9) |
| Third quartile | 1535 (25.4) | 758 (27.0) | 777 (23.9) |
| Fourth quartile | 1649 (30.0) | 892 (33.9) | 757 (26.4) |
| Religious affiliation | |||
| Protestant | 3937 (63.0) | 1781 (62.2) | 2156 (63.7) |
| Catholic | 1545 (26.9) | 702 (26.2) | 843 (27.6) |
| Jewish | 151 (2.6) | 104 (3.6) | 47 (1.6) |
| Other religion | 68 (1.2) | 26 (1.3) | 42 (1.2) |
| No religious affiliation | 333 (6.4) | 163 (6.8) | 170 (6.0) |
| Religion important | |||
| Very important | 4001 (64.0) | 1736 (61.1) | 2265 (66.7) |
| Somewhat important | 1222 (21.5) | 596 (22.2) | 626 (20.9) |
| Not at all important | 827 (14.5) | 453 (16.8) | 374 (12.4) |
| Religious service attendance | |||
| ≥Once a week | 1887 (29.9) | 879 (30.8) | 1008 (29.0) |
| ≥Once a year, <once a week | 1753 (29.0) | 798 (29.2) | 955 (28.7) |
| Not at all | 2411 (41.2) | 1108 (40.0) | 1303 (42.2) |
| AD | 2785 (47.7) | ||
AD, advance directive.