Korean J Fam Pract. 2018; 8(2): 327-330  https://doi.org/10.21215/kjfp.2018.8.2.327
Correlation between Dementia and Depressive Disorder
Tae Heon Lee, Joon Ho Choi, Byung Chul Shin, Hee Eun Shin, Hyo Rim Son*
Department of Family Medicine, Gwangju Veterans Hospital, Gwangju, Korea
Hyo Rim Son
Tel: +82-62-602-6267, Fax: +82-62-602-6982
E-mail: hihellowstar@hanmail.net
Received: September 12, 2016; Revised: September 29, 2016; Accepted: October 2, 2016; Published online: April 20, 2018.
© The Korean Academy of Family Medicine. All rights reserved.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Background: Recently, with the increase in the rate of chronic disease with age, the interest in dementia has increased. In the current study, the correlation between dementia and depressive disorders was investigated. In addition, the relationships between dementia and age, gender, education, and career were examined.
Methods: This investigation was conducted on the patients and their guardians who had visited the Dementia & Neurocognitive Department of the Gwangju Veterans Hospital due to cognitive and memory impairment between February 7th, 2013 and November 30th, 2015. The concrete state of cognitive function was confirmed by the Seoul Neuropsychological Screening Battery, 2nd Edition. The correlation of each variable was analyzed using descriptive statistics, independent t-test, crosstabs, and logistic regression analysis.
Results: The rate of depressive disorder was higher in dementia patients, Alzheimer’s disease patients, and vascular dementia patients (39.3%, 38.0%, and 42.3% prevalence, respectively). The rate of depressive disorder was significantly higher in dementia patients, Alzheimer’s disease patients, and vascular dementia patients (39.3%, 38.0%, and 42.3% prevalence, respectively) than in healthy controls (P＜0.05). In the group of dementia patients, the variable of age exhibited a significant effect on the prevalence of depressive disorder (P＜0.05). The variable of age had an odd’s ratio of 0.942.
Conclusion: In all groups of dementia patients, the prevalence of depressive disorder increased, and in the older group of dementia patients the prevalence of depressive disorder decreased.
Keywords: Dementia; Depressive Disorder; Alzheimer’s Disease; Vascular Dementia
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