Journal
INTERNATIONAL JOURNAL OF CLINICAL AND HEALTH PSYCHOLOGY
Volume 24, Issue 1, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ijchp.2023.100417
Keywords
Major depressive disorder; Risky decision-making; Meta-analysis; Decision task type
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Individuals with major depressive disorder (MDD) tend to make inappropriate risky decisions. A three-level meta-analysis revealed that MDD patients exhibited higher risk-seeking than healthy controls (HCs). Age, region, and task type were found to moderate the relationship between risky decision making and MDD.
Background: Individuals with major depressive disorder (MDD) are usually observed making inappropriate risky decisions. However, whether and to what extent MDD is associated with impairments in risky decision-making remains unclear. We performed a three-level meta-analysis to explore the relationship between risky decision making and MDD.Method: We searched the Web of Science, PubMed, Scopus, and PsycINFO databases up to February 7, 2023, and calculated Hedges' g to demonstrate the difference in risky decision-making between MDD patients and healthy controls (HCs). The moderating effect of sample and task characteristics were also revealed.Results: Across 73 effect sizes in 39 cross-sectional studies, MDD patients exhibited greater risk-seeking than HCs (Hedges' g = 0.187, p = .030). Furthermore, age (p = .068), region (p = .005), and task type (p < .001) were found to have moderating effects. Specifically, patients preferred risk-seeking over HCs as age increased. European patients showed significantly increased risk-seeking compared to American and Asian patients. Patients in the Iowa Gambling Task (IGT) exhibited a notable rise in risk-seeking compared to other tasks, along with an increased risk aversion in the Balloon Analogue Risk Task (BART). The multiple-moderator analysis showed that only task type had significant effects, which may be explained by a tentative framework of operationalization-mechanism-measure specificity.Conclusions: MDD patients generally exhibit higher risk-seeking than HCs. It implies that impaired risky decision making might be a noteworthy symptom of depression, which should be placed more emphasis for clinical management and psycho-education.
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