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The relationship between morningness-eveningness and mood symptoms and quality of life in euthymic state of mood disorders: Results from a prospective observational cohort study

Authors
Seo, Ju YeonYeom, Ji WonCho, Chul-HyunSon, SerhimAhn, Yong-MinKim, Se JooHa, Tae HyonCha, BoseokMoon, EunsooPark, Dong YeonBaek, Ji HyunKang, Hee-JuAn, HyongginLee, Heon-Jeong
Issue Date
Nov-2022
Publisher
Elsevier BV
Keywords
Chronotype; Morningness-eveningness; Mood disorders; Depression; Quality of life
Citation
Journal of Affective Disorders, v.316, pp.10 - 16
Indexed
SCIE
SSCI
SCOPUS
Journal Title
Journal of Affective Disorders
Volume
316
Start Page
10
End Page
16
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2021.sw.kumedicine/61475
DOI
10.1016/j.jad.2022.07.072
ISSN
0165-0327
Abstract
Background The clinical importance of morningness-eveningness, especially in mood disorders, is prevailing. The differential relation of chronotype with diagnoses of early-onset mood disorders, mood symptoms, anxiety, and quality of life was evaluated. Methods Early-onset mood disorder patients [n = 419; 146 major depressive disorder (MDD); 123 bipolar I disorder (BDI); 150 bipolar II disorder (BDII)] from the Mood Disorder Cohort Research Consortium were assessed for chronotype using the composite scale for morningness (CSM) and its association with clinical variables obtained during the clinician-verified euthymic state. Results The mean total CSM of BDI was significantly higher than MDD and BDII (p < 0.001). In all types of mood disorders, higher total CSM was associated with lower Quick inventory of depressive symptomatology (p < 0.005) and higher WHO quality of life (p < 0.005). Such negative correlations between the total CSM and Montgomery-Asberg depression rating were significant in MDD and BDI (p < 0.05) and marginally significant in BDII (p = 0.077). CSM was a significant contributor to quality of life in BDI (p < 0.001) and BDII (p = 0.011), but it was not for MDD. Limitations The defined ‘euthymic state’ that may not fully reflect the remission of episode; limited generalizability due to clinical characteristic of early-onset mood disorder; the disparity between diurnal preference measured by the CSM and chronotype; possible effects of the last mood episode polarity and medication; and, lack of control group. Conclusion Less eveningness was associated with less severe depressive symptoms and better quality of life. This suggests that morningness may reduce residual depressive symptoms and recover function of patients.
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1. Basic Science > Department of Biostatistics > 1. Journal Articles
2. Clinical Science > Department of Psychiatry > 1. Journal Articles

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Cho, Chul Hyun
Anam Hospital (Department of Psychiatry, Anam Hospital)
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