지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 1,030 - 1,036 (7page)
이용수
초록· 키워드
오류제보하기
Objective In this study, we aimed to develop a model predicting individuals with suicide ideation within a general population using a machine learning algorithm. Methods Among 35,116 individuals aged over 19 years from the Korea National Health & Nutrition Examination Survey, we selected 11,628 individuals via random down-sampling. This included 5,814 suicide ideators and the same number of non-suicide ideators. We randomly assigned the subjects to a training set (n=10,466) and a test set (n=1,162). In the training set, a random forest model was trained with 15 features selected with recursive feature elimination via 10-fold cross validation. Subsequently, the fitted model was used to predict suicide ideators in the test set and among the total of 35,116 subjects. All analyses were conducted in R. Results The prediction model achieved a good performance [area under receiver operating characteristic curve (AUC)=0.85] in the test set and predicted suicide ideators among the total samples with an accuracy of 0.821, sensitivity of 0.836, and specificity of 0.807. Conclusion This study shows the possibility that a machine learning approach can enable screening for suicide risk in the general population. Further work is warranted to increase the accuracy of prediction.
목차
등록된 정보가 없습니다.
참고문헌 (34)
참고문헌 신청
Statistics Korea / 2017 / Annual Report on the Cause of Death Statistics 2016
OECD / OECD Health Statistics 2017
Kim WJ / 2015 / Internalized stigma and its psychosocial correlates in Korean patients with serious mental illness / Psychiatry Res 225:433~439
Arsenault-Lapierre G / 2004 / Psychiatric diagnoses in 3275suicides: a meta-analysis / BMC Psychiatry 4:37
Conwell Y / 1996 / Relationships of age and axis I diagnoses in victims of completed suicide: a psychological autopsy study / Am J Psychiatry 153:1001~1008
OECD / OECD Health Statistics 2017
Kim WJ / 2015 / Internalized stigma and its psychosocial correlates in Korean patients with serious mental illness / Psychiatry Res 225:433~439
Arsenault-Lapierre G / 2004 / Psychiatric diagnoses in 3275suicides: a meta-analysis / BMC Psychiatry 4:37
Conwell Y / 1996 / Relationships of age and axis I diagnoses in victims of completed suicide: a psychological autopsy study / Am J Psychiatry 153:1001~1008
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