PMID: 11330768May 2, 2001Paper

The internal consistency and validity of the Self-Assessment Parkinson's Disease Disability Scale

Clinical Rehabilitation
M A BiemansL H van der Woude

Abstract

To test the consistency and validity of the Self-assessment Parkinson's Disease Disability Scale in patients with Parkinson's disease living at home. Patients with Parkinson's disease responded to a set of questionnaires. In addition, an observation of the performance of daily activities was carried out on a subgroup. Patients with Parkinson's disease living at home (n = 142). The Self-assessment Parkinson's Disease Disability Scale (SPDDS), the Hoehn & Yahr Rating Scale (H&Y), and the Sickness Impact Profile (SIP68). The observation concerned nine activities that correspond to items of the SPDDS questionnaire. Internal consistency of the SPDDS was very high (Cronbach's alpha = 0.97; reliability rho = 0.97). The items of the SPDDS are hierarchical (Loevinger's H = 0.64): patients had least difficulty with 'washing' and 'brushing teeth' and most difficulty with 'turning in bed', 'travelling by public transport' and 'writing a letter'. Validity of the SPDDS was good: the relationship between the SPDDS questionnaire and the H&Y rating scale, the SIP68 and the results of the observation was strong and significant. The SPDDS is a unidimensional instrument measuring disabilities in Parkinson's disease patients living at home.

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Citations

May 27, 2011·Journal of Neurology·Marlies van NimwegenMarten Munneke
May 7, 2010·European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies·T Müller, D Woitalla
Mar 27, 2007·Journal of Geriatric Physical Therapy·Karen PaschalA Joseph Threlkeld
Apr 30, 2014·Geriatrics & Gerontology International·Tatjana GazibaraMarina Svetel
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Aug 1, 2008·Expert Review of Pharmacoeconomics & Outcomes Research·Pablo Martinez-MartinBelen Frades-Payo
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Nov 17, 2020·Frontiers in Neurology·Carla PalleisThomas Koeglsperger

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