Table 1 Participant characteristics at baseline. Values reflect mean (SD) unless otherwise indicated
Participants in APOE analyses | Participants in AD-PRS analyses | |
|---|---|---|
N | 1819 | 1175 |
Age at baseline cognitive assessment | 63.90 (10.13) | 62.54 (10.08) |
Female sex, N (%) | 1069 (59%) | 711 (61%) |
Years of education | 14.99 (3.20) | 15.89 (3.25) |
CR index score | 0.03 (0.83) | 0.00 (0.84) |
APOE-ε3 carriers, N (%) | 1011 (56%) | 668 (57%) |
APOE-ε2 carriers, N (%) | 226 (12%) | 133 (11%) |
APOE-ε4 carriers, N (%) | 582 (32%) | 374 (32%) |
Global factor score | 0.07 (0.95) | 0.20 (0.92) |
Episodic memory factor score a | 0.02 (0.97) | 0.09 (0.98) |
Executive function factor score b | 0.09 (0.91) | 0.14 (0.88) |
Number of cognitive scores over time | 6.55 (4.13) | 7.63 (3.84) |
Years between baseline and last cognitive score [range] | 9.85 (6.24) [0–28.8] | 11.78 (5.17) [0–28.8] |