Table 2.
Characteristic | Normal (n = 564) | ILM (n = 269) | MDI (n = 399) | Dementia (n = 19) | p value |
---|---|---|---|---|---|
Age (SD) | 60.3 (9.2) | 60.5 (8.7) | 63.5 (9.8) | 73.5 (5.6) | <.01 |
Education (%) | .01 | ||||
<High school | 170 (30.1) | 91 (33.8) | 164 (41.1) | 8 (42.1) | |
Some college | 144 (25.5) | 77 (28.6) | 103 (25.8) | 6 (31.6) | |
College degree | 250 (44.3) | 101 (37.5) | 132 (33.1) | 5 (26.3) | |
Sex | .45 | ||||
Male | 260 (46.1) | 119 (44.2) | 197 (49.4) | 7 (36.8) | |
Female | 304 (53.9) | 150 (55.8) | 202 (50.6) | 12 (63.2) | |
APOE | <.01 | ||||
e4− | 197 (79.1) | 97 (77.6) | 171 (79.5) | 3 (17.6) | |
e4+ | 52 (20.9) | 28 (22.4) | 44 (20.5) | 14 (82.4) |
Note. Results based on participants included in the validation set. Analysis of covariance and chi-square tests used to assess differences in continuous and categorical variables, respectively. ILM = Impaired learning and memory; MDI = Multidomain impairment; APOE = apolipoprotein E.
Bold font indicates statistical significance p < .05.