| Geriatric Depression Scale | |
|---|---|
| Purpose | identify depression in elderly |
The Geriatric Depression Scale (GDS) is a 30-item self-report assessment used to identify depression in the elderly. The scale was first developed in 1982 by J.A. Yesavage and others.[1]
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Transcription
Description
In the Geriatric Depression Scale, questions are answered "yes" or "no". A five-category response set is not utilized in order to ensure that the scale is simple enough to be used when testing ill or moderately cognitively impaired individuals, for whom a more complex set of answers may be confusing, or lead to inaccurate recording of responses.
The GDS is commonly used as a routine part of a comprehensive geriatric assessment. One point is assigned to each answer and the cumulative score is rated on a scoring grid.[2] The grid sets a range of 0–9 as "normal", 10–19 as "mildly depressed", and 20–30 as "severely depressed".
A diagnosis of clinical depression should not be based on GDS results alone. Although the test has well-established reliability and validity evaluated against other diagnostic criteria, responses should be considered along with results from a comprehensive diagnostic work-up. A short version of the GDS (GDS-SF) containing 15 questions has been developed,[3] and the scale is available in languages other than English. The conducted research found the GDS-SF to be an adequate substitute for the original 30-item scale.[4]
The GDS was validated against Hamilton Rating Scale for Depression (HRS-D) and the Zung Self-Rating Depression Scale (SDS). It was found to have a 92% sensitivity and an 89% specificity when evaluated against diagnostic criteria.[5]
Scale questions and scoring
The scale consists of 30 yes/no questions. Each question is scored as either 0 or 1 points. The following general cutoff may be used to qualify the severity:
- normal 0–9,
- mild depressives 10–19,
- severe depressives 20–30.
See also
References
- ^ Yesavage JA, Brink TL, Rose TL, et al. Development and validation of a geriatric depression screening scale: a preliminary report. J Psychiatr Res. 1982-83;17(1):37-49. PMID 7183759
- ^ "Geriatric Depression Scale".
- ^ Sheikh JI, Yesavage JA. Geriatric Depression Scale (GDS): recent evidence and development of a shorter version. Clin Gerontol. 1986 June;5(1/2):165-173.
- ^ Lesher EL, Berryhill JS. Validation of the Geriatric Depression Scale-Short Form among inpatients. J Clin Psychol. 1994 Mar;50(2):256-60. PMID 8014251
- ^ Yesavage JA, Brink TL, Rose TL, et al. Development and validation of a geriatric depression screening scale: a preliminary report. J Psychiatr Res. 1982-83;17(1):37-49. PMID 7183759
External links
- Online version of the Geriatric Depression Scale
- Stanford University web site on the Geriatric Depression Scale including translations
This page was last edited on 11 September 2022, at 21:33