Deep graph neural network-based prediction of acute suicidal ideation in young adults

Kyu Sung Choi, Sunghwan Kim, Byung Hoon Kim, Hong Jin Jeon, Jong Hoon Kim, Joon Hwan Jang, Bumseok Jeong

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Precise remote evaluation of both suicide risk and psychiatric disorders is critical for suicide prevention as well as for psychiatric well-being. Using questionnaires is an alternative to labor-intensive diagnostic interviews in a large general population, but previous models for predicting suicide attempts suffered from low sensitivity. We developed and validated a deep graph neural network model that increased the prediction sensitivity of suicide risk in young adults (n = 17,482 for training; n = 14,238 for testing) using multi-dimensional questionnaires and suicidal ideation within 2 weeks as the prediction target. The best model achieved a sensitivity of 76.3%, specificity of 83.4%, and an area under curve of 0.878 (95% confidence interval, 0.855–0.899). We demonstrated that multi-dimensional deep features covering depression, anxiety, resilience, self-esteem, and clinico-demographic information contribute to the prediction of suicidal ideation. Our model might be useful for the remote evaluation of suicide risk in the general population of young adults for specific situations such as the COVID-19 pandemic.

Original languageEnglish
Article number15828
JournalScientific Reports
Volume11
Issue number1
DOIs
StatePublished - Dec 2021

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