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Hand dexterity assessment in Parkinson’s disease : Construct validity of the 9-Hole peg test for the more affected hand
Proud, Elizabeth Morris, Meg E. Bilney, Belinda Miller, Kimberly J. Nijkrake, Maarten J. Munneke, Marten McGinley, Jennifer L.
Proud, Elizabeth
Morris, Meg E.
Bilney, Belinda
Miller, Kimberly J.
Nijkrake, Maarten J.
Munneke, Marten
McGinley, Jennifer L.
Abstract
Purpose: There is limited understanding of the characteristics and evaluation of more affected hand dexterity loss in Parkinson’s disease. We described 9-Hole Peg Test performance for the more affected hand and examined the construct validity of these pegboard scores in mild to severe Parkinson’s disease. Methods: This observational study analysed baseline data from a cluster-randomised controlled trial.
Participants (n = 582) completed the pegboard with their more affected hand, the Patient-Specific Index-Parkinson’s Disease and Self-assessment Parkinson’s Disease Disability Scale. Mean pegboard performance was summarised at each disease stage. To investigate known groups validity, we explored differences in pegboard scores between participants identifying upper limb problems in their ‘top three’ functional limitations, and those prioritising other limitations. Convergent validity investigated correlations between pegboard performance and self-reported hand function.
Results: Pegboard performance was reduced compared with normative values, and problems with hand activities were reported at each disease stage. Significant differences in pegboard performance between the two functional limitation priority groups (p < 0.05), and moderate correlations between pegboard dexterity and hand function (Self-assessment Parkinson’s Disease Disability Scale) provided evidence for construct validity.
Conclusions: People with mild to severely disabling Parkinson’s disease have reduced dexterity and problems with hand function. Evidence supported the construct validity of 9-Hole Peg Test more affected hand performance.
Keywords
Parkinson’s disease, upper extremity, dexterity, validity, physical therapy, occupational therapy
Date
2020
Type
Journal article
Journal
Disability and Rehabilitation
Book
Volume
Issue
Page Range
1-5
Article Number
ACU Department
School of Allied Health
Faculty of Health Sciences
Faculty of Health Sciences
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Relation URI
Source URL
Event URL
Open Access Status
License
All rights reserved
File Access
Controlled