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[Depression and dementia: case-control study].

J Vilalta-Franch1, J Llinàs-Reglà, S López-Pousa

  • 1Unidad de Demencias, Hospital Santa Caterina, Girona, España. jvilaltaf@intersep.org

Revista De Neurologia
|December 22, 1999
PubMed
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Dementia significantly increases the risk of depression in older adults. Cognitive impairment is a key factor, highlighting the need for integrated mental health care in dementia management.

Area of Science:

  • Gerontology
  • Psychiatry
  • Epidemiology

Background:

  • Depression is a common comorbidity in older adults, particularly those with cognitive impairment.
  • Understanding the prevalence and risk factors for depression in dementia is crucial for effective patient care.

Purpose of the Study:

  • To determine the prevalence of depression in patients with dementia.
  • To identify risk factors associated with depression in this population.

Main Methods:

  • A field epidemiological study involving 1,460 individuals over 69 years old in a rural area.
  • Participants were categorized into three groups: diagnosed dementia, cognitive impairment without dementia, and no cognitive impairment.
  • Diagnoses of dementia and depression were based on CAMDEX criteria.

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Main Results:

  • The prevalence of depression was 26.5% in the dementia group, 11.76% in the mild cognitive impairment group, and 4.94% in the control group.
  • Dementia was identified as a significant risk factor for depression (OR: 4.81).
  • Psychiatric history was a risk factor for depression in individuals with and without dementia, but not in the control group.

Conclusions:

  • Depression is significantly more prevalent in individuals with cognitive impairment, including dementia.
  • Cognitive impairment is a primary risk factor for depression in the elderly population.