The relationship between morningness-eveningness and resilience in mood disorder patients

• Published in: Comprehensive psychiatry Vol. 87; pp. 72 - 78
• Main Authors: Chung, Jae Kyung, Choi, Kyeong-Sook, Kang, Hee-Gyoo, Jung, Hee Yeon, Joo, Eun-Jeong
• Format: Journal Article
• Language: English
• Published: United States Elsevier Inc 01.11.2018; Elsevier Limited
• Subjects: Adult; Age; Bipolar disorder; Bipolar Disorder - psychology; Circadian Rhythm; College students; Depressive Disorder, Major - psychology; Drug use; Emotional disorders; Female; Humans; Intellectual disabilities; Linear Models; Male; Mental depression; Middle Aged; Mood disorders; Mood Disorders - psychology; Patients; Psychiatrists; Quantitative psychology; Resilience, Psychological; Suicides & suicide attempts; Surveys and Questionnaires
• ISSN: 0010-440X; 1532-8384
• DOI: 10.1016/j.comppsych.2018.09.003

There is some evidence that resilience is related to mental illness. Patients with a mood disorder have a tendency to show eveningness, and they tend to be less resilient. However, no study has investigated the association between resilience and morningness-eveningness in patients with a mood disorder. The aim of this study was to explore whether morningness-eveningness is related to resilience in patients with a mood disorder. We recruited 224 patients with major depressive disorder (MDD), 77 with bipolar disorder (BD), and 958 control participants. Morningness-eveningness and resilience were evaluated using the Composite Scale of Morningness (CS) and the Connor-Davidson Resilience Scale (CD-RISC), respectively. The CD-RISC scores were significantly lower in patients with MDD, followed by those with BD, than those of the control group. The CD-RISC score was positively correlated with the CS score in patients with MDD and BD. Multiple linear regression analyses revealed that the CS score was significantly associated with the CD-RISC score after controlling for the possible influence of age, gender, length of education, economic status, onset age, and suicide attempt history in the MDD group. However, the association did not reach statistical significance in patients with BD. Higher resilience was positively correlated with morningness in patients with MDD or BD. In multiple regression analysis, a significant linear relationship was observed between resilience and morningness only in patients with MDD. The biological mechanism underlying the relationship between morningness-eveningness and resilience should be explored. •Mood disorder patients have a tendency to show eveningness, and they have been shown to be less resilient.•Morningness-eveningness and resilience were evaluated in mood disorder patients.•Higher resilience was positively correlated with morningness in both MDD and BD patients.•Multiple regression analysis revealed a linear relationship between resilience and morningness in patients with MDD.