TABLE 3.
Correlations between each fall metric, shown in the upper left of each sub table, and each significant gait, behavioral, and imaging measure.
| Gait |
Behavioral |
Imaging |
All |
|||||||||
| Fear of falling | Single predictor model |
Single predictor model |
Single predictor model |
Multiple predictor model |
||||||||
| p | β | 95% CI | p | β | 95% CI | p | β | 95% CI | p | β | 95% CI | |
| Tap cadence DTH | – | – | – | 0.02 | −0.04 | −0.08, −0.01 | – | – | – | 0.004 | −0.04 | −0.08, −0.02 |
| L SMA | – | – | – | – | – | – | 0.02 | −0.16 | −0.29, −0.03 | 0.004 | −0.18 | −0.30, −0.06 |
| Adjusted R2 | – | 0.14 | 0.18 | 0.39 | ||||||||
| F (for ΔR2) | – | 5.71 | 6.21 | 8.45 | ||||||||
| Falls in past year |
Single predictor model |
Single predictor model |
Single predictor model |
Multiple predictor model |
||||||||
| p | β | 95% CI | p | β | 95% CI | p | β | 95% CI | p | β | 95% CI | |
| Gait dual step length | 0.02 | −0.06 | −0.10, −0.02 | – | – | – | – | – | – | 0.12 | −0.04 | −0.09, 0.01 |
| Tap cadence DTH | – | – | – | 0.03 | −0.03 | −0.06, −0.003 | – | – | – | 0.02 | −0.04 | −0.07, −0.01 |
| R sup parietal cortex | – | – | – | – | – | – | 0.02 | −0.05 | −0.10, −0.01 | 0.05 | −0.04 | −0.08, 0.001 |
| Adjusted R2 | 0.13 | 0.11 | 0.14 | 0.29 | ||||||||
| F (for ΔR2) | 5.42 | 4.78 | 5.84 | 4.88 | ||||||||
| Total number of falls |
Single predictor model |
Single predictor model |
Single predictor model |
Multiple predictor model |
||||||||
| p | β | 95% CI | p | β | 95% CI | p | β | 95% CI | p | β | 95% CI | |
| Gait dual step length | 0.02 | −0.10 | −0.18, −0.02 | – | – | – | – | – | – | 0.03 | −0.08 | −0.16, −0.01 |
| R inf parietal cortex | – | – | – | – | – | – | 0.02 | −0.11 | −0.20, −0.02 | 0.04 | −0.09 | −0.17, −0.01 |
| Adjusted R2 | 0.15 | – | 0.15 | 0.25 | ||||||||
| F (for ΔR2) | 6.11 | – | 6.01 | 5.90 | ||||||||
| Faller/non-faller (binary) |
Single predictor model |
Single predictor model |
Single predictor model |
Multiple predictor model |
||||||||
| p | β | 95% CI | p | β | 95% CI | p | β | 95% CI | p | β | 95% CI | |
| BY trials reaction time DTH | – | – | – | 0.04 | −0.008 | −0.01, −0.001 | – | – | – | 0.02 | −0.01 | −0.01, −0.001 |
| R DPMC3 | – | – | – | – | – | – | 0.04 | −0.03 | −0.05, −0.001 | 0.03 | −0.03 | −0.05, −0.004 |
| Adjusted R2 | – | 0.10 | 0.10 | 0.22 | ||||||||
| F (for ΔR2) | – | 4.33 | 4.53 | 5.17 | ||||||||
Measures listed have a significant correlation (p < 0.05) with the fall measure in a single predictor model and are therefore entered into the multiple predictor model shown in the far right column. P-values (p), regression coefficients (β), and 95% confidence intervals (CI) are shown for each model, in addition to the adjusted R2 and F values. Empty sub tables represent a fall measure and a measurement domain that did not yield any significant predictors for each single predictor model. DTH, dual-task hit; L SMA, left supplementary motor area; R DPMC, right dorsal premotor cortex.