The PDQ-39 is a health-related quality of life questionnaire with 39 items describing eight dimensions in Parkinson's disease (PD). The original English version of PDQ-39 showed excellent psychometric properties. The present study was aimed at assessing the construct validity, internal consistency, and test-retest reliability of the PDQ-39 French version as well as the degree of agreement between PD patients and their proxy respondents when completing the scale. One neurologist and two psychologists using standardized clinical scales of PD severity and depression rated 126 PD non-demented patients, attending a neurological clinic. Then, patients and their 110 proxies completed the PDQ-39 and MOS SF-36 during the psychological interview on two occasions, during the same day. All PDQ-39 dimensions showed evidence of construct validity. Internal consistency was acceptable for most dimensions and test-retest reliability was generally excellent. Agreement in patient-proxy pairs ratings varied from poor (ICC < 0.40) to good (ICC > 0.60) across dimensions.
| Identifer | oai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:QMM.33374 |
| Date | January 2000 |
| Creators | Andreu, Nathalie. |
| Contributors | Collet, Jean-Paul (advisor) |
| Publisher | McGill University |
| Source Sets | Library and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada |
| Language | English |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
| Format | application/pdf |
| Coverage | Master of Science (Department of Epidemiology and Biostatistics.) |
| Rights | All items in eScholarship@McGill are protected by copyright with all rights reserved unless otherwise indicated. |
| Relation | alephsysno: 001771411, proquestno: MQ70682, Theses scanned by UMI/ProQuest. |
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