Table 2.
Linear multiple regressions (stepwise method) with included factors and MDS-UPDRS-IB, MDS-UPDRS-II, and emotional and mental health scores as dependent variables.
| Variance explained (adjusted model R 2 change) | ||||
|---|---|---|---|---|
| Independent factors | Partial R 2 | Model R 2 Change | F value | P value |
| MDS-UPDRS-IB | ||||
| Whole model | 0.23 | |||
| SRC in PDQ-8 (scores) | 0.215 | 0.22 | 131.95 | <0.001 |
| SRC in daily routine (scores) | 0.012 | 0.23 | 70.68 | <0.007 |
| SCR in fear of falling (scores) | 0.011 | 0.24 | 50.23 | <0.007 |
| MDS-UPDRS-II | ||||
| Whole model | 0.22 | 0.69 | ||
| SRC in PDQ-8 (scores) | 0.211 | 0.21 | 128.90 | <0.001 |
| SRC in FOG (scores) | 0.017 | 0.23 | 71.21 | <0.001 |
| SCR in fear of falling (scores) | 0.009 | 0.23 | 50.01 | 0.013 |
| Emotional and mental health | ||||
| Whole model | 0.18 | |||
| SRC in PDQ-8 (scores) | 0.172 | 0.17 | 99.86 | <0.001 |
| SRC in PA volume (a.u.) | 0.014 | 0.18 | 54.82 | <0.005 |
| SCR in probability of falling (scores) | 0.009 | 0.19 | 38.82 | 0.017 |
SRC, self-reported change; PDQ-8, Parkinson's Disease Questionnaire-8; FOG, freezing of gait; PA, physical activity; a.u., arbitrary unit.