Table 2.
Characteristics of Deceased National Health and Aging Trends Study Participants by Dementia Status
| Characteristic, raw n (weighted %) | No dementia | Probable dementia | Overall | p |
|---|---|---|---|---|
| Participants | 728 (62.7) | 542 (37.3) | 1270 (100.0) | — |
| Age, years | ||||
| 65–69 | 31 (6.6) | 10 (4.3) | 41 (5.7) | <0.001 |
| 70–74 | 102 (20.9) | 18 (5.4) | 120 (15.1) | |
| 75–79 | 116 (18.4) | 54 (13.9) | 170 (16.7) | |
| 80–84 | 165 (19.8) | 112 (23.0) | 277 (21.0) | |
| 85–89 | 167 (20.7) | 132 (23.5) | 299 (21.8) | |
| 90+ | 147 (13.6) | 216 (29.9) | 363 (19.7) | |
| Female gender | 386 (52.5) | 326 (59.4) | 712 (55.1) | 0.02 |
| Less than high school education | 223 (61.1) | 236 (71.8) | 459 (65.1) | <0.001 |
| Race/ethnicity | ||||
| White, non-Hispanic | 533 (84.1) | 337 (74) | 870 (80) | 0.003 |
| Black, non-Hispanic | 146 (8.3) | 141 (10.6) | 287 (9.2) | |
| Lives alone | 302 (40.9) | 165 (33.4) | 467 (38.1) | <0.001 |
| Medical conditions | ||||
| Myocardial infarction | 90 (11.7) | 57 (9.7) | 147 (11) | 0.04 |
| Heart disease/failure | 263 (36.0) | 191 (35.2) | 454 (35.7) | 0.16 |
| Hypertension | 543 (73.7) | 385 (70.8) | 928 (72.6) | 0.17 |
| Arthritis | 477 (66.0) | 380 (68.1) | 857 (66.8) | 0.44 |
| Diabetes | 231 (32.4) | 138 (26.8) | 369 (30.3) | 0.05 |
| Lung disease | 200 (30.3) | 120 (21.8) | 320 (27.1) | 0.006 |
| Stroke | 57 (6.6) | 86 (12.7) | 143 (8.9) | <0.001 |
| Cancer | 152 (22.7) | 83 (17.0) | 235 (20.7) | 0.05 |
| Proxy respondent | 28 (3.9) | 344 (62.3) | 372 (25.7) | <0.001 |
| Time since last interview, in months, mean (SD)a | 7.3 (3.6) | 6.0 (4.0) | 6.8 (3.8) | <0.001 |
a
Missing for 67 participants.
SD, standard deviation.