Parkinson's Disease Questionnaire-8 (PDQ-8) is the brief version of PDQ-39 formulated to reduce the respondent burden and for convenient use in clinical settings in patients of Parkinson's disease. (PDQ-8) is the patient reported outcome measure constructed by taking one question from each of the eight domains of PDQ-39 (mobility, activities of daily living, emotional well-being, stigma, social support, cognition, communication, and bodily discomfort. PDQ-8 will be translated into Urdu language by Beaton et al guidelines for cross cultural adaptation of tool. The validity and reliability of Urdu version of PDQ-8 will be evaluated by calculating Cronbach's alpha, intra-class correlation coefficient and Pearson/spearman rank correlation co-efficient.~Continuous variables will be shown by mean and standard deviation and the categories will be demonstrated in frequency and percentage. Factor structure of the PDQ-8 will be extracted using exploratory factor analysis (EFA), utilizing principal component analysis with varimax rotation.
Cross cultural analytical study to translate Parkinson's disease questionnaire-8 in Urdu language. Along with the translated version by evaluating its validity and reliability among the patients of Parkinson's disease. No such study has been previously conducted in Pakistan which translate this questionnaire in~Urdu and follows the proper cross- culture adaptation. Condition or disease:~Parkinson's disease. Convenient sampling technique would be used