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KMID : 0605720160220020108
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Journal of the Korean Society of Biological Therapies in Psychiatry
2016 Volume.22 No. 2 p.108 ~ p.115
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The Effects of Impulsivity on Suicide Ideation in Conscripts - The Mediating Effect of Depressive Symptoms and Stress-Related Symptoms -
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Ahn In-Young
Lee Da-Won
Park Chul-Soo
Kim Bong-Jo
Lee Cheol-Soon
Cha Bo-Seok
Lee So-Jin
Seo Ji-Yeong
Choi Jae-Won
Lee Dong-Yun
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Abstract
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Objectives：Diverse psychiatric symptoms and individual traits comprise risk factors of suicide ideation. The aim of this study was to investigate whether depressive symptoms and stress-related symptoms mediate between impulsivity and suicidal ideation.
Methods：A total of 445 participants completed the Barratt Impulsiveness Scale-11-Revised Korean version(KBIS-11), Scale for Suicide ideation(SSI), Center for Epidemiological Studies-Depression Scale(CES-D), and Impact Event Scale-Revised Korean version(IES-R-K) before basic military training. Structural Equation Model(SEM) was used to determine integrated relationship between impulsivity, suicide ideation, depressive symptoms and stress-related symptoms.
Results：SEM showed good model fit. The direct effect was 0.107(p＜0.05) between impulsivity and suicide ideation; and the indirect effect was 0.199(p＜0.01) between impulsivity and suicidal ideation through depressive symptoms and stress-related symptoms.
Conclusion：The present study revealed a significant mediating effect between impulsivity and suicidal ideation through depressive symptoms and stress-related symptoms. The findings indicated that comprehensive assessment of impulsivity, depressive symptoms and stress-related symptoms are needed for evaluation of suicidal ideation.
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KEYWORD
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Impulsivity, Suicide ideation, Depressive symptom, Stress-related symptom, Mediating effect
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