Parkinson's Disease Questionnaire-39

**Semantic type:** Intellectual Product

**Definition:** A standardized 39-item self-report questionnaire, published by Peto et al. in 1995, that utilizes a five-point rating scale to assess the impact of Parkinson's Disease on eight quality of life dimensions of functioning and well-being.

**Synonyms:** - PD01 - PDQ-39 - PDQ-39