PDQ-39: a review of the development, validation and application of a Parkinson's disease quality of life questionnaire and its associated measures

J Neurol. 1998 May:245 Suppl 1:S10-4. doi: 10.1007/pl00007730.


Parkinson's disease is a common degenerative neurological condition. A number of general instruments exist to measure quality of life, but these were not designed to address areas salient to a specific disease. This contribution reviews the development and validation of the PDQ-39, a short 39-item quality of life questionnaire for Parkinson's disease. PDQ-39 data can be presented either in profile form or as a single index. This report also reviews the development and validation of a briefer measure (PDQ-8) derived from the PDQ-39, and of two summary indices (PDQ-39SI and PDQ-8SI.

MeSH terms

  • Adult
  • Aged
  • Aged, 80 and over
  • Female
  • Humans
  • Male
  • Middle Aged
  • Parkinson Disease / psychology*
  • Pilot Projects
  • Psychiatric Status Rating Scales*
  • Quality of Life*
  • Reproducibility of Results
  • Surveys and Questionnaires / standards*