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Related Experiment Videos

Factor study of the Geriatric Depression Scale.

M Salamero1, T Marcos

  • 1Department of Psychiatry and Psychology, Hospital Clínic i Provincial, Barcelona, Spain.

Acta Psychiatrica Scandinavica
|October 1, 1992
PubMed
Summary
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This study validated the Geriatric Depression Scale (GDS) in older adults, finding it clinically useful. Factor analysis showed the GDS doesn

Area of Science:

  • Geriatric Psychiatry
  • Psychometric Validation
  • Cognitive Behavioral Therapy

Background:

  • The Geriatric Depression Scale (GDS) is a widely used screening tool for depression in older adults.
  • Assessing the psychometric properties of the GDS is crucial for its accurate clinical application.

Purpose of the Study:

  • To perform structural validation of the Brink-Yesavage Geriatric Depression Scale (GDS).
  • To examine the relationship between the GDS and Beck's cognitive model of depression.

Main Methods:

  • A sample of 234 individuals aged 60-95 was assessed using the GDS.
  • Concurrent validity was established using the Hamilton Rating Scale for Depression.
  • Factor analysis with principal components and oblimin rotation was conducted.

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Main Results:

  • The GDS demonstrated good concurrent validity with the Hamilton Rating Scale for Depression (r = 0.77).
  • Factor analysis results did not support structural validation in relation to Beck's cognitive model.
  • Removing somatic items did not align with Beck's model, as factors grouped into a single dimension.

Conclusions:

  • The GDS is a clinically useful scale for assessing depression in older adults.
  • The current factor structure of the GDS does not correspond with Beck's cognitive model of depression.
  • Further research may be needed to refine the GDS or explore alternative theoretical frameworks.