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Table 3 Spearman rank correlation between domains and summary index (SI) of the Estonian version PDQ-39.

From: Validation of an Estonian version of the Parkinson's Disease Questionnaire (PDQ-39)

  Mobility ADL Emot w-b Stigma Soc supp Cogn Comm Bodily dis
Mobility         
Activities of daily living (ADL) 0.67        
Emotional well-being (Emot w-b) 0.51 0.45       
Stigma 0.30 0.37 0.57      
Social support (Soc supp) 0.32 0.37 0.66 0.53     
Cognition (Cogn) 0.43 0.49 0.49 0.29 0.35    
Communication (Comm) 0.32 0.32 0.25 0.28 0.26 0.43   
Bodily discomfort (Bodily dis) 0.34 0.34 0.61 0.43 0.52 0.42 0.20  
Summary index (SI) 0.81 0.79 0.8 0.62 0.66 0.64 0.64 0.46