Evaluation of the Dutch version of the Parkinson's Disease Questionnaire 39

Johan Marinus; Martine Visser; Crispin Jenkinson; Anne M. Stiggelbout

doi:https://doi.org/10.1016/j.parkreldis.2007.05.005

Evaluation of the Dutch version of the Parkinson's Disease Questionnaire 39

Johan Marinus, Martine Visser, Crispin Jenkinson, Anne M. Stiggelbout

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Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

The psychometric properties of the Dutch version of the Parkinson's disease questionnaire 39 (PDQ39-DV) were tested in 177 patients with Parkinson's disease (PD). Internal consistency of 7 of the 8 scales was adequate (>or=0.70), but was insufficient for 'bodily discomfort' (0.59). Correlation between the PDQ39 and other instruments in this study, the SCOPA-psychosocial questionnaire, Euroqol-5D, hospital anxiety and depression scale, and a visual analogue scale for quality of life, were 0.82, 0.74, 0.63 and -0.54, respectively. The factor analysis yielded 8 factors, which accounted for 65% of the variance and revealed only small differences with the original UK version. We conclude that the PDQ39-DV displays satisfactory psychometric properties and is an appropriate instrument to assess quality of life in Dutch patients with PD

Original language	English
Pages (from-to)	24-27
Journal	Parkinsonism & Related Disorders
Volume	14
Issue number	1
DOIs	https://doi.org/10.1016/j.parkreldis.2007.05.005
Publication status	Published - 2008

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https://doi.org/10.1016/j.parkreldis.2007.05.005

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abstract = "The psychometric properties of the Dutch version of the Parkinson's disease questionnaire 39 (PDQ39-DV) were tested in 177 patients with Parkinson's disease (PD). Internal consistency of 7 of the 8 scales was adequate (>or=0.70), but was insufficient for 'bodily discomfort' (0.59). Correlation between the PDQ39 and other instruments in this study, the SCOPA-psychosocial questionnaire, Euroqol-5D, hospital anxiety and depression scale, and a visual analogue scale for quality of life, were 0.82, 0.74, 0.63 and -0.54, respectively. The factor analysis yielded 8 factors, which accounted for 65% of the variance and revealed only small differences with the original UK version. We conclude that the PDQ39-DV displays satisfactory psychometric properties and is an appropriate instrument to assess quality of life in Dutch patients with PD",

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