Table 1.
Baseline characteristics of each group.
| Physical activity group | Control group | |||
|---|---|---|---|---|
| Mean (SD) | Range | Mean (SD) | Range | |
| Sample characteristics (n) | 54 | 48 | ||
| Age | 76.12 (6.81) | 65.62 – 88.17 | 77.05 (6.78) | 66.53 – 92.88 |
| Female (N, %) | 33 (61.1%) | 30 (62.5%) | ||
| Education level | 5 (1.01) | 3 – 7 | 4.56 (0.79) | 3 – 6 |
| MoCA | 25.54 (3.03) | 17 – 30 | 24.65 (3.70) | 16 – 30 |
| SPPB | 7.67 (1.58) | 4 – 9 | 7.51 (1.29) | 4 – 9 |
| BMI | 29.39 (5.68) | 20.4 – 43.95 | 28.26 (4.66) | 20.99 – 42.17 |
| BC-CCI (total score) | 6.11 (4) | 0 – 14 | 7.15 (3.89) | 0 – 14 |
| Walking speed (m/s) | 1.16 (0.21) | 0.7 – 1.56 | 1.14 (0.20) | 0.66 – 1.58 |
| MRI measures (n) | 53 | 46 | ||
| Left Hippocampal volume | 4071.5 (743.4) | 1479.8 – 5763.5 | 4140.4 (506.1) | 2953.4 – 5201.3 |
| Right Hippocampal volume | 4327.3 (723.5) | 1626.1 – 5573.7 | 4433.6 (512.5) | 3461.3 – 5642.8 |
| Cognitive measures (n) | 54 | 48 | ||
| Object Location – Identity (% correct) | 87.9 (6.66) | 64 – 98 | 86.29 (5.68) | 74 – 94 |
| Object Location – Localisation memory (error) | 8.05 (2.39) | 4.86 – 16.61 | 9.55 (2.48) | 4.72 – 15.03 |
| Object Location – Misbinding error | 0.14 (0.08) | 0.02 – 0.35 | 0.19 (0.09) | 0.02 – 0.35 |
| Flanker interference scorea | 12.83 (8.44) | −21.69 – 40.67 | 13.72 (8.08) | −11.97 – 28.91 |
| Two-back mean RT (ms) | 1252.2 (181.32) | 887.69 – 1569.1 | 1237.3 (206.91) | 444.33 – 1512.9 |
| Two-back mean accuracy | 29.75 (8.07) | 9 – 46 | 25.17 (9.2) | 3 – 39 |
Note. a One participant did not complete the Flanker task.