| Total | Ɛ4+ group | Ɛ4− group | Control group | p-value | Partial Eta Squared | |
| Number of participants (n) | 106 | 16 | 35 | 55 | NA | NA |
| Age (years, mean ± SD) | 47.0 ± 12.2 | 47.8 ± 12.3 | 47.3 ± 11.2 | 46.6 ± 13.0 | NS | NA |
| Men (years, mean ± SD) | 53.3 ± 11.4 | <0.001 | 0.124 | |||
| Women (years, mean ± SD) | 44.1 ± 11.5 | |||||
| Female, sex %, (n) | 68.9 | 62.5 | 85.7a) | 60.0a) | 0.031 | 0.066 |
| ApoE genotype %, (n) | NS#) | NA | ||||
| E3/E3 | 59.4 (63) | 0 (0) | 77.1 (27) | 65.5 (36) | ||
| E3/E4 | 24.5 (26) | 93.8 (15) | 0 (0) | 20.0 (11) | ||
| E2/E3 | 13.2 (14) | 0 (0) | 22.9 (8) | 10.9 (6) | ||
| E4/E4 | 1.9 (2) | 6.3 (1) | 0 (0) | 1.8 (1) | ||
| E2/E2 | 0.9 (1) | 0 (0) | 0 (0) | 1.8 (1) |