• Korean Journal of Psychosomatic Medicine
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• v.23 no.2
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• pp.107-113
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• 2015

Objectives : The aim of this study was to investigate the factors including possibility of bipolar disorder that are related to intensity of suicidal idea. Methods : The study subjects consisted of 50 patients who did suicidal attempt and treated at the Inje University Haeundae Paik Hospital Emergency Room. All participants underwent psychiatric interview and underwent Columbia Suicide Severity Rating Scale(C-SSRS), Beck Depression Inventory(BDI), Korean Version of Mood Disorder Questionnaire(MDQ) and Bipolar Spectrum Diagnostic Scale(BSDS) to evaluate patient's suicide attempt, severity of depression and possibility of bipolar disorder. Results : Compared to non-high risk group, suicide high risk group showed significantly higher BDI(p<0.001) and intensity of ideation(IOI) in C-SSRS(p<0.001). Also intensity of ideation(IOI) was correlated with Mood Disorder Questionnaire(MDQ) bipolarity positive(p=0.033). Conclusions : The present study indicated that possibility of bipolar disorder plays a significant role in suicide attempters. Assessment of suicide ideation severity and possibility of bipolar disorder should be considered when suicide attempters come to emergency room.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.14 no.5
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• pp.2131-2139
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• 2013

This study clearly identify the correlation between adolescents resiliency and suicidal ideation and more effective to strengthen the external protective factors for adolescents suicide prevention alternatives presented. Research subjects were 243 boy and girl first year students in a high school located in Kyunggi Province; Questionnaires were distributed for one week from March 5, 2013. Frequency analysis, correlation analysis, multiple regression analysis, t-test, one-way ANOVA, etc. were executed. All empirical tests were verified with 5% of significance level. From the result of analysis, suicidal ideation has a negative correlation with the adolescent resilience, and especially, when interaction in family dimension and the care, expectation level of school and peer dimension become higher, suicidal ideation was reduced. The implications of this study suggest that the material prepared for suicide prevention policy based on the results of a study on the impact of adolescents resiliency to suicidal ideation.

• Safety and Health at Work
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• v.12 no.1
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• pp.102-107
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• 2021

Background: This study was conducted to identify the association between sleep duration and suicidal ideation among farmers in Korea. Methods: We used Safety for Agricultural Injuries of Farmers cohort data collected from September 2015 to June 2018, which was an agricultural survey on the health and behaviors of adult farmers in Jeju island, Korea. Results: A total of 964 participants were included in the analysis, and 3.7% of them were identified with having suicidal ideation. The frequencies of average daily sleep duration of <6 h (short sleep), 6-8 h (normal sleep), and >8 h (long sleep) were 24.4%, 70%, and 5.6%, respectively. Multivariate analyses revealed that short sleep duration was significantly associated with suicidal ideation compared with normal sleep duration (odds ratio = 2.49, 95% confidence interval = 1.07-5.77). Conclusion: Our findings suggest that short sleep duration in farmers result in higher suicidal ideation. Because individuals who have suicidal ideation often commit suicide, careful monitoring is required to prevent suicide in farmers with short sleep duration.

• Journal of agricultural medicine and community health
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• v.39 no.3
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• pp.161-175
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• 2014

Objectives: This study investigates the prevalence of suicide ideation and its the related factors by gender among Korean adults. Methods: National cross-sectional data from the database of the first and second year of $5^{th}$ Korean National Health and Nutritional Examination Survey (KNHANES V-1, V-2) were used for this study. 13,165 adults (${\geq}20$ years) were included in this analysis. Results: The prevalence of suicide ideation was 9.8% for men, 18.9% for women. Renal failure, depression, melancholy, stress, perceived health status, and smoking were significant risk factors among both men and women for suicide ideation. Divorced, separated or widowed of marital status and severe physical activity were related factors of suicide ideation for men. Low educational attainment, and alcohol dependency were associated factors of suicide ideation for women. Conclusions: There was gender difference of prevalence and risk factors of suicide ideation. These gender differences should be considered for planning and implementing suicide prevention program.

• Journal of Korean society of Dental Hygiene
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• v.19 no.5
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• pp.777-789
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• 2019

Objectives: The purpose of this study was to investigate the relationship between oral health factors and suicidal ideation in adolescents in order to provide basic data for adolescent suicide prevention and oral health promotion. Methods: This study used data from the Korea Youth Risk Behavior Web-Based Survey held in 2017, in which a total of 62,276 youth participated. Data were analyzed by SPSS Ver. 22.0. Complex logistic regression analysis was used to analyze oral health factors related to suicidal ideation. Results: The effects of oral health on male students' suicidal ideation were as follows: brushing teeth 2-3 times a day was associated with decreased suicidal ideation (p<0.01), while suicidal ideation was increased in individuals who had experienced scaling within the past year (p<0.001), or, among experiences of oral disease within the last year, had reported prickling and throbbing pain (p<0.001), pain on the tongue and inside the cheeks (p<0.001), or bad breath (p<0.001). The effects of oral health on female students' suicidal ideation were as follows: brushing teeth 2-3 times a day was associated with decreased suicidal ideation (p<0.001), while suicidal ideation was increased in individuals who, among experiences of oral disease within the last year, had reported pain when chewing (p<0.001), pain on the tongue and inside the cheeks (p<0.01), or bad breath (p<0.001). Conclusions: The above results demonstrate that adolescent suicidal ideation and oral health factors are correlated, and it will be necessary to incorporate oral health interventions when planning or developing projects and programs for suicide prevention in adolescents.

• Korean Journal of Psychosomatic Medicine
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• v.25 no.2
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• pp.95-100
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• 2017

Objectives : This study was designed for the purpose of the relationship between psychopathology and suicide in North Korean Refugee Adolescents. Methods : The subjects were 104 North Korean Refugee Adolescents. We investigated the The Korean version of the Center for Epidemiologic Studies for Depression, Revised Children's Manifest Anxiety Scale and Rosenberg Self-Esteem Scale. We also investigated the suicide ideation, planning and attempt. The self-report was taken to the North Korean Refugee Adolescents. Results : The Center for Epidemiologic Studies for Depression Score(Z=-4.050, p<0.001), Revised Children's Manifest Anxiety Score(t=-2.757, p<0.01), Rosenberg Self-Seteem Score(Z=-2.328, p<0.05) were significantly associated with the suicide ideation in North Korean Refugee Adolescents. In logistic regression analysis, only The Center for Epidemiologic Studies for Depression Score(p<0.005) expected the suicidal ideation. Conclusions : The management of depression would be helpful to reduce the suicide in North Korean Refugee Adolescents.

• Anxiety and mood
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• v.16 no.2
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• pp.76-82
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• 2020

Objective : Previous studies have shown that depression, anxiety and embitterment are highly related to suicide. This study aims to investigate the mediating effect of embitterment between depression, anxiety and suicide. Methods : A total of 174 participants with depressive and anxiety disorders were evaluated with STAI-S, STAI-T, PHQ-9, PTED scale, SSI and suicide attempt history. A mediation analysis using bootstrapping was utilized in order to estimate the indirect effects of depression and anxiety on suicide through embitterment. Results : Embitterment significantly mediated the relationship between depression and suicidal ideation [b=0.291, 95% CI(0.18, 0.40)], and also it mediated the relationship between depression and suicide attempt [b=0.066, 95% CI(0.02, 0.16)]. Although a direct effect of anxiety on suicide attempt was not significant, but embitterment significantly mediated the relationship between anxiety and suicide attempt Conclusion : This suggests that embitterment may be a significant important factor to consider in the relationship between depression, anxiety and suicide. Understanding the mediating role of embitterment on suicide may helpful to prevent suicide.

• Anxiety and mood
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• v.17 no.2
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• pp.84-91
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• 2021

Objective : Mismatch negativity (MMN) is known to reflect several abnormalities of cognitive functioning. This study is aimed to investigate the differences in MMN among major depressive disorder (MDD) patients with or without suicidal ideation. Methods : Sixty-seven patients with MDD were recruited into this study. MMN was measured by a 64-channel electroencephalography (EEG) using oddball paradigm over the front-central area. Clinical characteristics were assessed using the Beck Anxiety Inventory (BAI), the Beck Depression Inventory-II (BDI-II), and the Beck Scale for Suicide ideation (SSI-BECK). Patients were divided into two groups, no suicidal ideation (N=12) and suicidal ideation (N=55), depending on the presence of suicide ideation in SSI-BECK questionnaires. Results : The MMN latencies were significantly longer in the MDD patients with suicidal ideation than in the MDD patents without suicidal ideation (p<0.05). The MMN amplitudes were not significantly different between the two groups. Conclusion : Suicidal ideation may be associated with longer MMN latencies, and it suggests that MMN may play a potential role in assessing the suicidal risk among MDD patients.

• Journal of the Korea Convergence Society
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• v.10 no.7
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• pp.391-397
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• 2019

In 2016, the number of suicides per 100,000 population in Korea was 24.6, which is the highest record of OECD countries. The number of suicide deaths increased with age. Elderly people have a higher risk of completed suicide than any other age group. The purpose of this study was to analyze the panel data of the Korean Welfare Panel Study to identify the factors affecting the suicide of Korean older people. This study analyzed the data of the 11th Korean Welfare Panel Study, which was constructed in 2016. The mean age of the participants was 75.55 years and 37% were man and 63% were women. The annual prevalence of suicidal ideation was 3.4%. The effects of depression(Exp(B)=1.113) and subjective health status((Exp(B)=.767) on suicidal ideation was statistically significant by stepwise logistic regression analysis(Nagelkerke $R^2=.248$). Therefore, for the effective application of suicide prevention program for the older people, assessment of subjective health status and depression screening should be preceded.

• Korea journal of population studies
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• v.33 no.2
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• pp.61-84
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• 2010

The goals of the study were to examine if and how exposure to suicidal factors in social relationships affects suicidal ideation and behaviors and also analyze how family factors are associated with suicidal ideation and behavior. Data drawn from Korean General Social Survey(KGSS) collected in 2009 were analyzed. The findings show that exposure to the suicidal factors have statistically significant effects on suicidal ideation and behaviors. In the findings, respondents who have experiences of which socially close persons have suicidal ideation or completed suicide are more likely to have suicidal ideation and suicidal plan even in the models for which demographic factors and depressive symptoms are controlled. Also, family factors have significant effects on suicidal ideation and suicidal behaviors. Family stress increases suicidal ideation and behaviors whereas expectation on family support reduces the likelihood of having suicidal ideation and behaviors. This study shows that there might be possibility of behavioral contagion in terms of suicide through social connections and family has both positive and negative aspects on suicidal ideation and behaviors. Our study suggests policy implications for people who were exposure to suicide.