Table 2 Determination of convergent validity via correlation of the different domains of the XDP–MDSP scale with various external scales (I with BFMDRS, II with UPDRS motor, III with NMSQuest and IV with SCOPA) and correlation with HADS-P, HAMD and MMSE
BFMDRS | UPDRS | NMS | SCOPA | MMSE | HADS-P | HAM-D | ||
|---|---|---|---|---|---|---|---|---|
I | Pearson Correlation | .428** | .266** | .189* | .349** | −.118 | .306** | .176* |
Sig. (2-tailed) | .000 | .000 | .012 | .000 | .120 | .000 | .021 | |
N | 184 | 181 | 176 | 183 | 176 | 183 | 171 | |
II | Pearson Correlation | .183* | .323** | .135 | .312** | −.083 | .156* | .114 |
Sig. (2-tailed) | .013 | .000 | .073 | .000 | .271 | .035 | .136 | |
N | 184 | 181 | 176 | 183 | 176 | 183 | 171 | |
III | Pearson Correlation | .358** | .238** | .335** | .340** | −.035 | .276** | .362** |
Sig. (2-tailed) | .000 | .001 | .000 | .000 | .640 | .000 | .000 | |
N | 184 | 181 | 176 | 183 | 176 | 183 | 171 | |
IV | Pearson Correlation | .326** | .301** | .185* | .396** | −.137 | .231** | .142 |
Sig. (2-tailed) | .000 | .000 | .014 | .000 | .069 | .002 | .064 | |
N | 184 | 181 | 176 | 183 | 176 | 183 | 171 | |
XDP | Pearson Correlation | .381** | .345** | .246** | .413** | −.137 | .289** | .227** |
Sig. (2-tailed) | .000 | .000 | .001 | .000 | .069 | .000 | .003 | |
N | 184 | 181 | 176 | 183 | 176 | 183 | 171 |
