Table 4.
Multivariate analysis with PDQ-39 as dependent variable and the most relevant predictor variables as independent variables.
| Variable | with Variable | Coefficient | Standard Error | P value |
|---|---|---|---|---|
| PDQ-39 | NMSS total | 0.17 | 0.06 | 0.0072 |
| PDQ-39 | PFS-16 | 4.91 | 1.96 | 0.0166 |
| PDQ-39 | BDI-II | 0.21 | 0.24 | 0.3911 |
| PDQ-39 | SQCL | −0.21 | 0.24 | 0.0148 |
PDQ-39 Parkinson’s Disease Questionnaire 39-item, NMSS Nonmotor symptom scale, PFS-16 Parkinson’s fatigue scale 16-item, BDI-II Beck depression inventory-II, SQCL Scale of Quality of Life of Caregivers.