Table 4:
Association of mobility scores with incident possible parkinsonism
| Mobility subtasks and their constituent mobility scores | Stage 1 Associations of individual mobility scores with incident possible parkinsonism |
Stage 2 Mobility scores within subtasks independently related to incident possible parkinsonism |
Stage 3 Mobility scores from 5 subtasks independently related to incident possible parkinsonism |
||||||
|---|---|---|---|---|---|---|---|---|---|
| HR | 95%CI | p-value | HR | 95%CI | p-value | HR | 95%CI | p-value | |
| 32 ft Walk | |||||||||
| Speed | 0.72 | 0.53, 0.98 | 0.037 | 0.65 | 0.48, 0.88 | 0.005 | |||
| Cadence | 0.82 | 0.68, 0.98 | 0.025 | 0.77 | 0.64, 0.93 | 0.005 | |||
| Regularity | 1.13 | 0.89, 1.44 | 0.315 | 1.38 | 1.06, 1.78 | 0.015 | 1.32 | 1.01, 1.73 | 0.047 |
| Stride Variability | 1.08 | 0.90, 1.29 | 0.425 | ||||||
| TUG Sit to Stand (S1) | |||||||||
| Anterior-Posterior | 0.91 | 0.74, 1.11 | 0.347 | ||||||
| Range | 1.26 | 1.00, 1.58 | 0.051 | 1.34 | 1.06, 1.68 | 0.015 | |||
| Posterior | 0.60 | 0.48, 0.75 | <0.001 | 0.59 | 0.47, 0.73 | <0.001 | 0.65 | 0.51, 0.82 | <0.001 |
| TUG Stand to Sit (S2) | |||||||||
| Jerk | 0.92 | 0.74, 1.14 | 0.457 | 0.79 | 0.62, 1.01 | 0.057 | |||
| Range | 1.28 | 1.02, 1.62 | 0.036 | 1.45 | 1.11, 1.89 | 0.006 | 1.50 | 1.16, 1.93 | 0.002 |
| TUG Turning Yaw | |||||||||
| Yaw | 0.48 | 0.36, 0.64 | <0.001 | 0.49 | 0.36, 0.66 | <0.001 | 0.56 | 0.41, 0.76 | <0.001 |
| Frequency | 0.96 | 0.77, 1.21 | 0.737 | ||||||
| Standing Posture | |||||||||
| Sway | 1.28 | 1.05, 1.56 | 0.013 | ||||||
Final models for each of the three stages of analyses to identify the combination of mobility scores independently related to incident possible parkinsonism. HR: hazard ratio; CI: confidence interval.