Table 1 Demographic characteristics of study participants
CU/A− (n = 997) | CU/A+ (n = 446) | MCI/A− (n = 78) | MCI/A+ (n = 106) | Total (n = 1627) | p | |
|---|---|---|---|---|---|---|
Male sex, N (%) | 539 (54.1) | 232 (52.0) | 59 (75.6) | 54 (50.9) | 884 (54.3) | 0.001 a |
Age, years | 68.7 (61.3, 75.8) | 77.2 (71.5, 82.1) | 76.7 (69.3, 82.8) | 81.3 (75.8, 86.0) | 72.7 (64.5, 79.3) | < 0.001 b |
Age, N (%); years | < 0.001 a | |||||
50–69 | 545 (54.7) | 89 (20.0) | 20 (25.6) | 6 (5.7) | 660 (40.6) | |
70–95 | 452 (45.3) | 357 (80.0) | 58 (74.4) | 100 (94.3) | 967 (59.4) | |
Education, years | 15.0 (13.0, 16.0) | 14.0 (12.0, 16.0) | 12.0 (12.0, 16.0) | 13.0 (12.0, 16.0) | 14.0 (12.0, 16.0) | < 0.001 b |
> 12 years, N (%) | 758 (76.0) | 316 (70.9) | 38 (48.7) | 58 (54.7) | 1170 (71.9) | < 0.001 a |
APOE ε4 carrier, N (%) | 205 (21.0){19} | 183 (41.5){5} | 13 (17.1){2} | 53 (50.5){1} | 454 (28.4){27} | < 0.001 a |