BioPsychoSocial
Assessment Tools for the Elderly - Assessment Summary Sheet
Test: Psychogeriatric Dependency Rating Scale (PGDRS)
Year: 1980
Domain: Psychological
Assessment Tool Category: Mental Health
Variations/Translations: N/A
Setting: Clinical
Method of Delivery: Assessment by clinician
Description: The PGDRS was created as a method of
assessment of elderly patients with mental illnesses. It examins
three dimensions of mental health: orientation, behaviour, and
physical capacity (Burns, Lawlor & Craig, 2004). The PGDRS has
been widely used in dementia care to rate the dependency on
caregivers and to guide care decisions (Rabins, Lyketsos &
Steele, 2006).
Scoring/Interpretation: Scoring for orientation is on 10
yes or no questions, behaviour is rated on 16 items using a
three-point scale, while physical capacity consists of 7
sub-categories. Higher scores on any of the dimensions indicate
higher level of mental dysfunction.
Time to Administer: N/A
Availability: Found in Wilkinson & Graham-White
(1980).
Software: N/A
Website: N/A
Quantitative/Qualitative: Quantitative
Validity (Quantitative): Face validity assessed by
comparison to nursing time commanded by patients (mean r = 0.72, P
< 0.001). See Wilkinson & Graham-White (1980) for a
comprehensive evaluation of the scale.
Reliability (Quantitative): Inter-rater reliability was
determined by Kappa weight : Pearson r scores of .86, .71, and .87
were attained for orientation, behaviour, and physical
respectively.
References:
Burns, A., Lawlor, B. & Craig, S. (2004). Assessment scales
in old age psychiatry [2nd ed.]. New York: Informa Health Care.
pp. 243-245.
Rabins, P.V., Lyketsos, C.G, Steele, C. (2006). Practical
Dementia Care [2nd ed.]. Oxford: Oxford University Press. p. 36.
Wilkinson, I.M. & Graham-White, J. (1980). Psychogeriatric
dependency rating scales (PGDRS): a method of assessment for use
by nurses. British Journal of Psychiatry, 137, 558-65.
Comments: N/A.
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