Table 4:
Standardized Coefficient Beta (standard error) values from multiple linear regression between functional mobility measures and regional grey matter volume (GMV) measures (Model 1), after adjusting for age (Model 2), age and sex (Model 3), and age, sex, and body mass index (Model 4).
| Model 1 | Model 2 | Model 3 | Model 4 | |
|---|---|---|---|---|
| Gait Speed |
||||
| Parahippocampus | 0.42 (0.11) | 0.32 (0.12) | 0.28 (0.12) | 0.23 (0.11) |
| Superior Temporal Gyrus | 0.36 (0.11) | 0.24 (0.13) | 0.26 (0.13) | 0.16 (0.12) |
| Dynamic Gait Index |
||||
| Parahippocampus | 0.39 (0.11) | 0.21 (0.11) | 0.17 (0.11) | 0.12 (0.11) |
| Superior Temporal Gyrus | 0.52 (0.10) | 0.35 (0.12) | 0.37 (0.11) | 0.29 (0.11) |
| Inferior Parietal lobe | 0.44 (0.11) | 0.28 (0.11) | 0.31 (0.11) | 0.25 (0.10) |
| Supramarginal gyrus | 0.47 (0.11) | 0.30 (0.11) | 0.35 (0.11) | 0.28 (0.11) |
| Hippocampus | 0.33 (0.11) | 0.17 (0.11) | 0.16 (0.11) | 0.20 (0.10) |
| Four Square Step Test |
||||
| Parahippocampus | −0.44 (0.11) | −0.40 (0.12) | −0.39 (0.12) | −0.32 (0.11) |
| Superior Temporal gyrus | −0.44 (0.11) | −0.41 (0.13) | −0.42 (0.13) | −0.30 (0.12) |
| Inferior Parietal lobe | −0.33 (0.12) | −0.26 (0.12) | −0.27 (0.13) | −0.19 (0.11) |
| Supramarginal gyrus | −0.29 (0.12) | −0.20 (0.13) | −0.24 (0.13) | −0.13 (0.12) |
| Paracentral lobule | −0.32 (0.12) | −0.25 (0.13) | −0.25 (0.13) | −0.22 (0.11) |
| Postcentral gyrus | −0.40 (0.11) | −0.34 (0.13) | −0.38 (0.13) | −0.30 (0.12) |
| Superior Parietal lobe | −0.29 (0.12) | −0.22 (0.13) | −0.26 (0.13) | −0.19 (0.12) |
| Precuneus | −0.30 (0.12) | −0.23 (0.12) | −0.23 (0.12) | −0.20 (0.11) |
Bold values indicate significant t-scores (p < 0.05)