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Appears in Collections:Psychology Journal Articles
Peer Review Status: Refereed
Title: Exploring the psychology of suicidal ideation: a theory driven network analysis
Author(s): De Beurs, Derek
Fried, Eiko I
Wetherall, Karen
Cleare, Seonaid
O'Connor, Daryl B
Ferguson, Eamonn
O'Carroll, Ronan E
O'Connor, Rory C
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Keywords: suicide
network analysis
risk factors
Issue Date: Sep-2019
Date Deposited: 14-Jun-2019
Citation: De Beurs D, Fried EI, Wetherall K, Cleare S, O'Connor DB, Ferguson E, O'Carroll RE & O'Connor RC (2019) Exploring the psychology of suicidal ideation: a theory driven network analysis. Behaviour Research and Therapy, 120, Art. No.: 103419.
Abstract: Two leading theories within the field of suicide prevention are the interpersonal psychological theory of suicidal behaviour (IPT) and the integrated motivational-volitional (IMV) model. The IPT posits that suicidal thoughts emerge from high levels of perceived burdensomeness and thwarted belongingness. The IMV model is a multivariate framework that conceptualizes defeat and entrapment as key drivers of suicide ideation. We applied network analysis to cross-sectional data collected as part of the Scottish Wellbeing Study, in which a nationally representative sample of 3508 young adults (18-34 years) completed a battery of psychological measures. Network analysis can help us to understand how the different theoretical components interact and how they relate to suicide ideation. Within a network that included only the core factors from both models, internal entrapment and perceived burdensomeness were most strongly related to suicide ideation. The core constructs defeat, external entrapment and thwarted belonginess were mainly related to other factors than suicide ideation. Within the network of all available psychological factors, 12 of the 20 factors were uniquely related to suicide ideation, with perceived burdensomeness, internal entrapment, depressive symptoms and history of suicide ideation explaining the most variance. None of the factors was isolated, and we identified four larger clusters: mental wellbeing, interpersonal needs, personality, and suicide-related factors. Overall, the results suggest that relationships between suicide ideation and psychological risk factors are complex, with some factors contributing direct risk, and others having indirect impact.
DOI Link: 10.1016/j.brat.2019.103419
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