Table 3

 Spearman’s correlation coefficients of the disease specific PDQ-39 measures with the generic 15D quality of life measures

15DPDQ-39 questionnaire
Single indexMobilityADLEmotionalStigmaSocial supportCognitionsCommunicationBodily discomfort
The correlations between dimensions of the questionnaires addressing corresponding aspects of quality of life are shown in bold.
*p<0.001.
ADL, activities of daily life; PDQ-39, 39 item Parkinson’s Disease Questionnaire.
15D score−0.825*−0.808*−0.697*−0.687*−0.427*−0.436*−0.656*−0.682*−0.558*
Mobility−0.623*−0.752*−0.598*−0.370*−0.303*−0.314*−0.465*−0.496*−0.342*
Vision−0.527*−0.539*−0.453*−0.409*−0.253−0.307*−0.453*−0.440*−0.289*
Hearing−0.311*−0.261*−0.214*−0.273*−0.188−0.230−0.326*−0.237−0.125
Breathing−0.520*−0.489*−0.354*−0.408*−0.326*−0.366*−0.337*−0.441*−0.391*
Sleeping−0.407*−0.328*−0.261*−0.389*−0.196−0.102−0.386*−0.348*−0.443*
Eating−0.528*−0.510*−0.582*−0.370*−0.345*−0.271*−0.361*−0.409*−0.247
Speech−0.445*−0.380*−0.405*−0.294*−0.220−0.148−0.407*−0.596*−0.262*
Elimination−0.442*−0.437*−0.314*−0.381*−0.146−0.241−0.448*−0.378*−0.285*
Usual activities−0.675*−0.695*−0.693*−0.483*−0.373*−0.402*−0.464*−0.538*−0.397*
Mental function−0.401*−0.349*−0.331*−0.286*−0.105−0.248−0.535*−0.409*−0.227
Discomfort−0.429*−0.392*−0.283*−0.441*−0.106−0.195−0.339*−0.280*−0.553*
Depression−0.527*−0.439*−0.359*−0.729*−0.394*−0.291*−0.394*−0.350*−0.344*
Distress−0.441*−0.325*−0.280*−0.660*−0.324*−0.256*−0.373*−0.320*−0.332*
Vitality−0.618*−0.609*−0.504*−0.533*−0.326*−0.294*−0.434*−0.536*−0.504*
Sexual activity−0.429*−0.484*−0.411*−0.209−0.151−0.160−0.397*−0.420*−0.236