Table 1 Participant characteristics
Participant characteristics | All | Females | Males | p value | Effect size |
|---|---|---|---|---|---|
N | 660 | 408 | 252 | − | − |
Age (y) | 52.0 (9.0) | 52.0 (8.0) | 53.0 (10.0) | 0.03 | 0.08 |
Race (% Caucasian) | 95.9% | 95.8% | 96.0% | 0.99 | < 0.001 |
BMI | 27.0 (6.5) (n = 659) | 26.3 (7.2) (n = 407) | 27.8 (4.7) (n = 252) | < 0.001 | 0.15 |
Hypertension (%) | 17.1% | 11.3% | 26.6% | < 0.001 | 0.19 |
Hyperlipidemia (%) | 23.4% (n = 644) | 21.3% (n = 395) | 26.9% (n = 249) | 0.12 | 0.06 |
Poor sleep (%) | 51.8% (n = 657) | 52.6% (n = 407) | 50.4% (n = 250) | 0.64 | 0.02 |
Current smoker (%) | 5.8% (n = 657) | 4.7% (n = 405) | 7.5% (n = 252) | 0.18 | 0.05 |
High alcohol intake (%) | 17.4% (n = 655) | 12.1% (n = 405) | 26.0% (n = 250) | < 0.001 | 0.17 |
APOE4 (% Carriers) | 38.2% | 38.0% | 38.5% | 0.96 | 0.002 |
Years of education | 17.0 (5.0) | 17.0 (5.0) | 17.0 (3.0) | 0.18 | 0.05 |
Stimulating activities | 18.0 (5.0) | 18.0 (5.0) | 18.0 (4.0) | 0.19 | 0.05 |
Occupational attainment | 13.8 (6.3) | 12.6 (7.1) | 15.0 (6.3) | < 0.001 | 0.21 |
Episodic and relational memory | 0.001 (1.0) | 0.17 (1.0) | -0.28 (1.0) | < 0.001 | 0.47 |
Multisensory processing | -4e-5 (1.0) | 0.01 (1.0) | -0.02 (1.1) | 0.70 | 0.03 |
Short-term memory binding | 0.12 (1.1) | 0.09 (1.1) | 0.15 (1.0) | 0.39 | 0.03 |