Parkinson's Disease Questionnaire (PDQ-8): Difference between revisions
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===== Equipment Required: ===== | ===== Equipment Required: ===== | ||
===== Questionnaire based, Pen and paper ===== | |||
===== Training Required: ===== | |||
none | none | ||
Time Required: | ===== Time Required: ===== | ||
5-10 min | 5-10 min | ||
This instrument though freely available is copyrighted by the authors and requires their permission prior to use. | This instrument though freely available is copyrighted by the authors and requires their permission prior to use. | ||
== | == Instrument and scoring == | ||
It is a eight question instrument with a question taken from each domain of: mobility, activities of daily of living, emotional well-being, stigma, social support, cognition, communication, and bodily discomfort. | |||
The question are cored out of 0-4 and the sum is totaled. | |||
The questions are: | |||
# Had difficulty getting around in public? | |||
# Had difficulty dressing yourself? | |||
# Felt depressed? | |||
# Had problems with your close personal relationships? | |||
# Had problems with your concentration, e.g. when reading or watching TV? | |||
# Felt unable to communicate with people properly? | |||
# Had painful muscle cramps or spasms? | |||
# Felt embarrassed in public due to having Parkinson’s disease? | |||
== Psychometric properties == | |||
Inter-rater/ Intra-rater reliability: strong correlation between the summary indices of the PDQ-8 and the PDQ-39 (r=0.93, P<0.001)<ref name=":0">Chen, K., Yang, YJ., Liu, FT. ''et al.'' Evaluation of PDQ-8 and its relationship with PDQ-39 in China: a three-year longitudinal study. ''Health Qual Life Outcomes'' 15, 170 (2017). <nowiki>https://doi.org/10.1186/s12955-017-0742-5</nowiki></ref> | |||
Internal Consistency: acceptable internal consistency(Cronbach’s α: 0.80; Item-scale correlation efficient: 0.56–0.72)<ref name=":0" /> | |||
Validity: Excellent convergent and concurrent validity<ref>Huang TT, et al. Quality of life in Parkinson’s disease patients: validation of the Short-Form Eight-item Parkinson’s Disease Questionnaire (PDQ-8) in Taiwan. Qual Life Res 2011;20:499-505</ref> | |||
== Additional Information == | == Additional Information == | ||
More Information can be found at: | |||
# [https://www.sralab.org/rehabilitation-measures/parkinsons-disease-questionnaire-8 PDQ-8] | |||
# [https://innovation.ox.ac.uk/outcome-measures/parkinsons-disease-questionnaire-pdq-39-pdq-8/ Health Outcome]<br> | |||
== References == | == References == | ||
<references /> | <references /> | ||
Revision as of 13:28, 11 December 2020
Top Contributors - Arnold Fredrick D'Souza, Rucha Gadgil, Kim Jackson, Lucinda hampton, Aminat Abolade and Kapil Narale
Introduction[edit | edit source]
Parkinson’s disease Questionnaire (PDQ-39) is the most widely used PD-specific Health Related Quality of Life questionnaire in Parkinson population across the world[1]. It consists of 39 questions from 8 dimensions: mobility, activities of daily of living, emotional well-being, stigma, social support, cognition, communication, and bodily discomfort. Parkinson’s disease Questionnaire (PDQ-8)[2] is the brief version of PDQ-39 formulated to reduce the respondent burden and for convenient use in clinical settings, It is a patient reported outcome measure constructed by taking one question from each of the eight domain of PDQ-39.
Intended Population[edit | edit source]
It is a quality of life outcome measure used in patient with Parkinson disease.
Method of use[edit | edit source]
Equipment Required:[edit | edit source]
Questionnaire based, Pen and paper[edit | edit source]
Training Required:[edit | edit source]
none
Time Required:[edit | edit source]
5-10 min
This instrument though freely available is copyrighted by the authors and requires their permission prior to use.
Instrument and scoring[edit | edit source]
It is a eight question instrument with a question taken from each domain of: mobility, activities of daily of living, emotional well-being, stigma, social support, cognition, communication, and bodily discomfort.
The question are cored out of 0-4 and the sum is totaled.
The questions are:
- Had difficulty getting around in public?
- Had difficulty dressing yourself?
- Felt depressed?
- Had problems with your close personal relationships?
- Had problems with your concentration, e.g. when reading or watching TV?
- Felt unable to communicate with people properly?
- Had painful muscle cramps or spasms?
- Felt embarrassed in public due to having Parkinson’s disease?
Psychometric properties[edit | edit source]
Inter-rater/ Intra-rater reliability: strong correlation between the summary indices of the PDQ-8 and the PDQ-39 (r=0.93, P<0.001)[3]
Internal Consistency: acceptable internal consistency(Cronbach’s α: 0.80; Item-scale correlation efficient: 0.56–0.72)[3]
Validity: Excellent convergent and concurrent validity[4]
Additional Information[edit | edit source]
More Information can be found at:
References[edit | edit source]
- ↑ Hagell P, Whalley D, McKenna SP, Lindvall O. Health status measurement in Parkinson's disease: validity of the PDQ-39 and Nottingham health profile. Mov Disord. 2003;18:773–783.
- ↑ Peto V, Jenkinson C, Fitzpatrick R. 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;245(Suppl 1):S10–S14.
- ↑ 3.0 3.1 Chen, K., Yang, YJ., Liu, FT. et al. Evaluation of PDQ-8 and its relationship with PDQ-39 in China: a three-year longitudinal study. Health Qual Life Outcomes 15, 170 (2017). https://doi.org/10.1186/s12955-017-0742-5
- ↑ Huang TT, et al. Quality of life in Parkinson’s disease patients: validation of the Short-Form Eight-item Parkinson’s Disease Questionnaire (PDQ-8) in Taiwan. Qual Life Res 2011;20:499-505
