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Relationship between Depression and Cognitive Impairment among Elderly: A Cross-sectional Study
Zahra Aajami1, Leila Kazazi2, Mahdi Toroski1
1Department of Pharmacoeconomics and Pharmaceutical Administration, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.
Journal of Caring Sciences
|September 23, 2020
Summary
Depression and cognitive impairment frequently affect older adults. This study found a significant link between these conditions, highlighting the need for integrated geriatric assessments.
Area of Science:
- Gerontology
- Neuroscience
- Public Health
Background:
- Depression and cognitive impairment are prevalent issues in the elderly population.
- Limited research exists on the co-occurrence of these conditions in aging individuals.
Purpose of the Study:
- To investigate the relationship between depression and cognitive impairment in older adults.
- To identify risk and protective factors associated with cognitive dysfunction in this demographic.
Main Methods:
- A cross-sectional, population-based study involving 506 older adults in Tehran, Iran.
- Data collected via sociodemographic questionnaire, Mini-Mental State Examination (MMSE), and Geriatric Depression Scale (GDS).
- Statistical analysis included correlation and logistic regression using SPSS-17.
Main Results:
- Older adults over 75 years showed a twofold increased risk of cognitive dysfunction.
- Significant correlation found between MMSE and GDS scores.
- Higher education and employment were associated with a reduced risk of cognitive dysfunction (85% and 56% lower, respectively).
- Severe depression was linked to a twofold increased risk of cognitive dysfunction.
Conclusions:
- A significant relationship exists between depression and cognitive impairment in the elderly.
- Integrated assessment of both cognitive function and depression is crucial in geriatric care.
- Findings underscore the importance of addressing mental health in aging populations to prevent cognitive decline.
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