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Table 1 Baseline characteristics of study participants by survival status at follow-up
| Total | Survival status at follow-up | |||
|---|---|---|---|---|
| Characteristics a | Alive | Died | P b | |
| No. of subjects | 3090 | 2031 | 1059 | |
| Age (years), mean (SD) | 73.3 (10.4) | 69.0 (8.5) | 81.5 (8.5) | <0.001 |
| Female, n (%) | 1969 (63.7) | 1298 (63.9) | 671 (63.4) | 0.764 |
| Education, n (%) | ||||
| Elementary or middle school | 505 (16.4) | 223 (11.0) | 282 (26.7) | – |
| High school | 1536 (49.8) | 978 (48.2) | 558 (52.8) | 0.003 |
| University or above | 1046 (33.9) | 830 (40.9) | 216 (20.5) | 0.020 |
| Smoking, n (%) | ||||
| Never | 1442 (47.0) | 908 (45.0) | 534 (50.9) | – |
| Former smoking | 1178 (38.4) | 812 (40.2) | 366 (34.9) | 0.022 |
| Current smoking | 447 (14.6) | 298 (14.8) | 149 (14.2) | <0.001 |
| Heavy alcohol drinking, n (%) | 495 (16.1) | 376 (18.6) | 119 (11.4) | 0.406 |
| Physical inactivity, n (%) | 955 (30.9) | 409 (20.1) | 546 (51.6) | <0.001 |
| Obesity, n (%) | 374 (12.1) | 278 (13.7) | 96 (9.1) | 0.539 |
| Hypertension, n (%) | 2318 (75.3) | 1448 (71.4) | 870 (82.8) | 0.887 |
| Diabetes, n (%) | 293 (9.5) | 146 (7.2) | 147 (14.0) | <0.001 |
| Total cholesterol (mmol/l), mean (SD) | 6.0 (1.1) | 6.1 (1.1) | 5.8 (1.2) | <0.001 |
| Use of cholesterol-lowering drugs, n (%) | 381 (12.4) | 270 (13.3) | 111 (10.6) | 0.784 |
| Cognitive impairment, n (%) | 432 (14.0) | 95 (4.7) | 337 (31.9) | <0.001 |
| Mobility limitation, n (%) | 826 (26.9) | 231 (11.4) | 595 (57.2) | <0.001 |
| APOE ε4, n (%) | 835 (29.1) | 569 (29.2) | 266 (28.7) | 0.046 |
