Cross-Cultural Validity, Reliability, and Psychometric Properties of the Persian Version of the Scales for Outcomes in Parkinson’s Disease-Psychosocial Questionnaire

Table 4

Spearman correlation for convergent validity of the SCOPA-PS questionnaire regarding other measured scales and variables in Iranian Parkinson’s disease patients (𝑛=110).

Scale/variable	Spearman Rho
Age	0.07
Duration of disease	0.17
Hoehn and Yahr stage	0.34*
Schwab and England ADL scale (%)	−0.55*
PDQ-39 (quality of life)
Mobility	0.72*
Activities of daily living (ADL)	0.60*
Emotional well-being	0.63*
Stigma	0.46*
Social support	0.43*
Cognitive impairment (cognition)	0.54*
Communication	0.54*
Bodily discomfort	0.44*
Total	𝟎.𝟖𝟐^∗
HADS
Anxiety	0.64*
Depression	0.72*
FSS (fatigue)	0.36*

∗Statistical significant correlation at the level of 𝑃<0.001.