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KMID : 0607520210290010017
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Korean Journal of Psychosomatic Medicine
2021 Volume.29 No. 1 p.17 ~ p.25
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Quality of Life and Characteristics of Depression with Subjective Cognitive Decline in Korean Adults : Data from the Seventh Korea National Health and Nutrition Examination Survey
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Jeong Jae-Hoon
Kim Sung-Jin
Jung Do-Un
Moon Jung-Joon
Jeon Dong-Wook
Kim Yeon-Sue
Choi Hyeon-Seok
Lee Min-Joo
Jeon Gyeong-Su
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Abstract
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Objectives : This study aimed to investigate quality of life, severity of depression, suicidality, subjective health and subjective stress of depression with subjective cognitive decline in Korean adults.
Methods : We used the 7th KNHANES data to enroll 415 participants with a score of 10 or higher on Patient Health Questionnaire-9 (PHQ-9), aged 20-64. Depression was divided into two groups based on the presence/absence of subjective cognitive decline. Demographic and psychological characteristics were compared between two groups. Correlation analysis of subjective cognitive decline, quality of life, depression, suicidal idea was carried out. To detect which variables influenced quality of life, a multiple regression analysis was carried out.
Results : Among the 415 participants, 98 had depression with subjective cognitive decline. We identified significant differences in age, marital status, education, employment between the two groups. After adjusting for these variables, depression with subjective cognitive decline had lower EuroQol-5D index scores, more severe depressive symptoms without cognition and worse subjective health than depression without cognitive decline. There was a significant correlation between subjective cognitive decline and quality of life (r=-0.236, p<0.001), suicidal idea (r=0.182, p<0.001), depression score without cognition (r=0.108, p=0.028). Through multiple regression analysis, subjective cognitive decline was predictor of reduced quality of life (β=-0.178, p<0.001).
Conclusions : Depression with subjective cognitive decline has poor quality of life and severe depression. Cognitive decline should be considered to improve treatment result in depression.
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KEYWORD
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Depression, Cognitive dysfunction, Patient Health Questionnaire-9, Quality of life
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