Table 1.
Demographics, Neuropsychological Tests, Fitness, and Lifestyle Measures.
| Measure | APOE ε4+ | APOE ε4− | Difference (t-test) |
|---|---|---|---|
| Sample Size | 15 | 15 | |
| Age | 69.5 (6.74) | 69.2 (8.0) | |
| Education (years) | 14.7 (1.98) | 14.67 (2.38) | |
| BMI | 31.98 (7.38) | 30.89 (6.27) | p=0.667 |
| BP - Diastole | 80.4 (10.99) | 83.47 (11.32) | p=0.458 |
| BP - Systole | 148.53 (29.0) | 141.07 (20.9) | p=0.426 |
| Heart Rate (bpm) | 73.27 (16.09) | 68.87 (10.03) | p=0.376 |
| BDI | 7.33 (4.64) | 8.4 (5.43) | p=0.568 |
| Social Support | 66.07 (8.98) | 68.07 (14.23) | p=0.653 |
| MMSE | 27.87 (1.77) | 28.20 (1.9) | p=0.622 |
| DigitSpan | 23.27 (4.03) | 23.60 (3.9) | p=0.820 |
| NAART | 35.13 (9.94) | 36.27 (14.66) | p=0.812 |
| RAVLT – Immediate | 11.27 (2.02) | 12.93 (2.22) | p=0.040 |
| RAVLT – Delayed | 9.33 (2.22) | 12.73 (2.91) | p=0.001 |
| Exercise | 2.17 (2.04) | 1.66 (1.97) | p=0.495 |
| TV (hours/day) | 4.13 (1.32) | 4.97 (1.96) | p=0.184 |
| Sitting (hours/day) | 4.46 (2.24) | 5.30 (2.0) | p=0.3 |
| Sleep quality | 3.47 (0.92) | 3.07 (1.03) | p=0.271 |
| Gait Speed Test | 4.76 (1.20) | 4.86 (1.42) | p=0.834 |
| Repeated Chair Stand (s) | 12.43 (8.83) | 17.74 (12.4) | p=0.193 |
| TUG (s) | 11.16 (2.10) | 10.8 (3.41) | p=0.732 |
| VO2 | 12.62 (4.15) | 15.26 (3.45) | p=0.065 |
Data are presented as mean (standard deviation). Sleep Quality: 1=very poor, 2=poor, 3=satisfactory, 4=good, 5=excellent. Group differences were assessed via simple pairwise t-tests. Any statistically significant differences (p<0.05) are bolded.