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Effect of depressive disorder on cognitive decline
1Department of Health Administration, College of Health Science, Dankook University, Cheonan, Republic of Korea; Institute of Health Promotion and Policy, Dankook University, Cheonan, Republic of Korea.
Archives of Gerontology and Geriatrics
|May 17, 2019
Summary
Depressive disorder significantly increases the risk of cognitive decline in middle-aged and older Koreans. Managing depression is crucial for preventing cognitive impairment in this population.
Area of Science:
- Gerontology
- Neuroscience
- Psychiatry
Background:
- Depressive disorder is a prevalent mental health issue in aging populations.
- Cognitive decline is a growing concern among middle-aged and elderly individuals.
- Longitudinal studies are essential to understand the progression of psychiatric disorders and cognitive health.
Purpose of the Study:
- To investigate the longitudinal association between depressive disorder and cognitive decline.
- To analyze the impact of depressive symptoms on cognitive function in a Korean population aged 50 and above.
- To identify risk factors for cognitive decline related to depression.
Main Methods:
- Longitudinal data analysis of the Korean Longitudinal Study of Aging (KLoSA) from 2006 to 2016.
- Inclusion of 7515 participants, excluding those with baseline cognitive decline or missing data.
- Generalized Estimating Equation (GEE) model and chi-square test to assess the association between depressive disorder and cognitive decline (MMSE scores).
Main Results:
- A statistically significant association was found between depressive disorder and cognitive decline (p < .0001).
- Odds ratios indicated that depressive symptoms (5-7 days) predicted decreased MMSE scores (OR=0.89) and increased risk of cognitive decline (OR=3.79).
- Higher frequency of depressive symptoms correlated with greater cognitive decline.
Conclusions:
- Depressive disorder is a significant risk factor for cognitive decline in middle-aged and aged Korean adults.
- Early detection and management of depression are vital for mitigating cognitive decline.
- Findings underscore the importance of integrated mental health care for aging populations.
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