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The reliability and validity of the Nottingham Extended Activities of Daily Living Scale in patients with multiple sclerosis

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Nicholl, C. R., Lincoln, N. B. and Playford, E. Diane (2002) The reliability and validity of the Nottingham Extended Activities of Daily Living Scale in patients with multiple sclerosis. Multiple Sclerosis Journal, 8 (5). pp. 372-376. doi:10.1191/1352458502ms827oa ISSN 1352-4585.

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Official URL: http://dx.doi.org/10.1191/1352458502ms827oa

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Abstract

OBJECTIVE:
To investigate whether the Nottingham Extended Activities of Daily Living Scale (EADL) is reliable and valid for the assessment of disability in patients with multiple sclerosis (MS).

DESIGN:
Questionnaire measures were administered on two occasions four months apart.

SUBJECTS:
A total of 240 patients recruited through a randomized controlled trial of cognitive assessment and treatment in MS.

MEASURES:
The Nottingham EADL, Guys Neurological Disability Scale (GNDS) and SF-36 quality of life scale.

RESULTS:
The EADL items did not form a Guttman Scale (CR 0.8, CS 0.3). The EADL and its four subscales all had high internal consistency (alpha 0.72-0.94). Test-retest reliability was satisfactory (r(s) 0.81-0.90) with a mean difference in scores on the two occasions of 0.29. Factor analysis generally supported the subscale structure. There were significant but weak correlations with quality of life measures.

CONCLUSIONS:
The EADL shows promise for the assessment of disability in MS, but the range of items needs to be extended. Further evaluation of the scale seems warranted.

Item Type: Journal Article
Divisions: Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Health Sciences > Social Science & Systems in Health (SSSH)
Journal or Publication Title: Multiple Sclerosis Journal
Publisher: Sage Publications Ltd.
ISSN: 1352-4585
Official Date: October 2002
Dates:
DateEvent
October 2002Published
Volume: 8
Number: 5
Page Range: pp. 372-376
DOI: 10.1191/1352458502ms827oa
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access

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