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 Yeon; Yeom, Ji Won; Cho, Chul-Hyun; Son, Serhim; Ahn, Yong-Min; Kim, Se Joo; Ha, Tae Hyon; Cha, Boseok; Moon, Eunsoo; Park, Dong Yeon; Baek, Ji Hyun; Kang, Hee-Ju; An, Hyonggin; Lee, Heon-Jeong
- Issue Date
- 1-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
- Pages
- 7
- Indexed
- SCIE
SSCI
SCOPUS
- Journal Title
- Journal of Affective Disorders
- Volume
- 316
- Start Page
- 10
- End Page
- 16
- URI
- https://scholarworks.gnu.ac.kr/handle/sw.gnu/781
- DOI
- 10.1016/j.jad.2022.07.072
- ISSN
- 0165-0327
1573-2517
- 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 var-iables 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 generaliz-ability 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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