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The Impact of Referral to Mental Health Services on Suicide Death Risk in Adolescent Suicide Survivors
J Korean Acad Child Adolesc Psychiatry 2020; 31(4): 177-184
Published online October 1, 2020
© 2020 Korean Academy of Child and Adolescent Psychiatry.

Joonbeom Kim1,2, Sung Hee Hong1, and Hyun Ju Hong1,3

1Suicide and School Mental Health Institute, Anyang, Korea
2Yonsei University, Interdisciplinary Graduate Program in Social Welfare Policy, Seoul, Korea
3Department of Psychiatry, Hallym University Sacred Heart Hospital, Anyang, Korea
Correspondence to: Hyun Ju Hong, Department of Psychiatry, Hallym University Sacred Heart Hospital, 22 Gwanpyeong-ro 170 beon-gil, Dongan-gu, Anyang 14068, Korea
Tel: +82-31-380-3750, Fax: +82-31-380-4118, E-mail:
Received July 6, 2020; Revised August 4, 2020; Accepted August 12, 2020.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Objectives: This study aims to examine the effect of adolescent suicide survivors’ experience on suicide death risk, and the effect of referral to mental health services (hereafter referral) in this regard.
Methods: This study used the data of 878 suicide-deceased and suicide-attempted adolescents aged 8–19 years, managed by the Suicide and School Mental Health Institute from 2016 to 2018.
Results: Regression analysis for main effects showed that although suicide experience had no direct effect on suicide death, non-referral status was associated with a greater risk of death by suicide. While the “non-suicide survivor with non-referral” and “suicide survivor with non-referral” groups showed 1.87 [adjusted odds ratio=1.87, 95% confidence interval (CI)=1.21–2.89] and 4.59 (adjusted odds ratio= 4.59, 95% CI=2.02–10.42) times higher odds of suicide death, respectively, the “suicide survivor with referral” group showed no difference compared to the “non-suicide survivor with referral” group.
Conclusion: From these findings, there is a need to strengthen referral to mental health services and apply complicated grief treatment to improve the mental health of adolescent suicide survivors.
Keywords : Suicide, Attempted; Suicide, Completed; Bereavement; Referral and consultation; Adolescent

Since 2010, there have been over 13000 annual deaths by suicide in South Korea [1]. In this context, it is important to also attend to “suicide survivors”—people who had close social relationships with the suicide victim. Globally, the concept of suicide survivors is widely used to refer to people who experienced the loss of someone close due to suicide —those who have been involuntarily exposed to suicide through the death of a relative, friend, colleague, or neighbor [2,3]. In a broad sense, suicide survivors include all individuals exposed to the suicide of another, but the narrower meaning is usually restricted to close relationships such as family, friends, and neighbors [4]. Various studies roughly estimated that every suicide affects six or more suicide survivors on average [5]; however, this was refuted by a recent study [6] showing that every one of these deaths affects 135 suicide survivors. When this number is applied to the 13670 suicide victims in South Korea in 2018 [1], it gives over 1.8 million suicide survivors.

Suicide survivors frequently experience mental and psychosocial difficulties, and among them, children and adolescents especially are at risk of copycat suicides [7,8]. This is because the negative emotions associated with grief have an almost contagious effect of increasing suicidality [9]. In support of this, the “contagion hypothesis” [10] emphasizes that compared to adults, adolescents have less experience of mourning the death of someone they know, either due to suicide or other causes. Consequently, the experience of childhood suicide survivors is not limited simply to grief, but also has a negative psychological, emotional, and psychiatric ripple effect, which plays a key role in increasing the risk of suicide. In this regard, child survivors of suicide may experience a higher degree of shame, responsibility, and guilt compared to bereavement due to natural death or an accident [11,12]; when the victim is a family member, this leads to depression, guilt, post-traumatic stress disorder (PTSD), suicide ideation [13], and suicide attempts [14,15], even 3 years after the death. In an empirical study [16], the morbidity of psychiatric illness following a parent’s death was analyzed in 4311096 children and adolescents aged 0–25 years using Swedish national data. The results showed that adolescent suicide survivors showed a 1.9-times higher risk ratio of major depressive disorder and a 1.7-fold higher risk ratio of suicide attempts compared to the rest of the sample (e.g., parents survived, parent died in accident). In particular, when the sample was divided by age groups, the risk ratio was 1.6 times higher in 13–17-year-olds, 1.7 times higher in 18–25-year-olds, and as much as 1.9 times higher in 0–12-year-olds. Childhood suicide survivors who lost a friend to suicide also showed persistent symptoms of depression, suicide ideation, and PTSD up to 8 months after death, and 27.3% of these individuals were reported to be in the high depression risk group [17]. These results show the need to investigate the effect of childhood suicide survivors’ experiences on the risk of death by suicide.

A large number of studies have suggested that referral to specialized mental health institutions through schools can be a powerful protective factor that promotes mental health and reduces the risk of suicide [18,19]. This is because these programs reduce perceived barriers such as the stigma accompanying mental health treatment and encourage help-seeking behaviors [20], which are the first steps of the treatment [21]. Students with mental health problems are identified through regular mental health screening tests or observation by teachers or peers. Through this, it is possible to effectively refer them to specialized mental health institutions [22]. South Korea has implemented a universal screening system using an annual school-based mental health screening test, the Adolescent Personality and Mental Health Screening Questionnaire (APMHSQ) for 1st and 4th graders of elementary school, 1st graders of middle school and 1st graders of high school in the whole country. As a result, individuals identified as high-risk are referred to specialized mental health institutions outside schools, with a referral rate reaching 81.2% (n=13754) in 2017 [23]. One previous study reported that the risk of suicide is lowered when adolescents with suicide attempts or self-injury are provided opportunities to consult with specialized institutions through school-based mental health services [24]. Given that suicide survivors can also be classified into the high mental health risk group, we hypothesized that providing opportunities to refer to hospitals or other specialized mental health institutions would further reduce the risk of death by suicide in this population. Therefore, in this study, we aimed to investigate the effect of referral to a specialized mental health institution on the relationship between risk of death by suicide and the experience of adolescent suicide survivors.



This study used data from reports of student suicide attempts and deaths collected from the Korean Ministry of Education between 2016 and 2018. Currently, the Ministry of Education requires the regional offices of education to complete a report form for all suicide attempts and suicide deaths identified in schools. Thereafter, each regional office of education reports their collected data to the Ministry of Education, and the data is managed by an affiliated research center, the Suicide and School Mental Health Institute. There were 1597 cases reported between 2016 and 2018 (366 suicide deaths, 1231 suicide attempts); after excluding 719 cases for missing variables of interest (130 suicide deaths, 589 suicide attempts), the remaining 878 cases (236 suicide deaths, 642 suicide attempts) were included in the present analysis. This study was approved by the Hallym University Sacred Heart Hospital institutional review board (IRB No: 2016-I044).


Suicide survivors

Suicide survivors were defined using the narrow definition. We queried whether the student had experienced the suicide death of someone in their surrounding environment at the time of receipt of the incident report. Participants were coded as “0” (non-suicide survivor) and “1” (suicide survivor), where suicide survivors were those who had experienced the suicide death of a parent, brother, sister, relative, or friend.

Death by suicide

Death by suicide was based on the collected incident reports. Suicide attempts were coded as “0” and suicide deaths as “1.”

Referral to mental health services

Referral to a specialized mental health institution was determined using a question in the “mental health support approaches” section, asking about details of referral to mental health services before the incident. Referral to mental health services was defined as visiting a specialized mental health institution outside of school, after 1) identification as the high-risk group based on APMHSQ, or 2) detecting mental health problems by observation of teachers, friends, or parents. Responses of “Not sure” were excluded; non-referral was coded as “0” and referral was coded as “1.”

Control variables

As control variables, we used the sociodemographic factors including sex, age, family economic status, and family structure. Sex and family structure were coded with dummy variables (0=male, 1=female; 0=two-parent family, 1=single-parent/parentless family), while age and family economic status were used as continuous variables. We also controlled for means of suicide as a variable that could affect death by suicide. Based on a previous study [25], the means of suicide were divided into high lethality methods (e.g., hanging, jumping) and low lethality methods (e.g., drug poisoning, self-wounding), and these were coded as “0” (low lethality method) and “1” (high lethality method).

Statistical analyses

Frequency analysis was performed to characterize the variables of interest, and crosstabulation analysis was conducted to test differences between suicide survivors and non-suicide survivors. Correlation analysis was performed to analyze the correlations between the variables of being a suicide survivor, referral to mental health services, and death by suicide. To test the effects of being a suicide survivor and referral to mental health services on the risk of suicide death, we used logistic regression models. For the logistic regression analysis, the theoretical minimum risk group (“non-suicide survivor, referral”) was used as the reference group, and the other three groups (“suicide survivor, non-referral;” “suicide survivor, referral;” “non-suicide survivor, non-referral”) were dummified, and the odds ratios for suicide death were calculated. SPSS 25.0 (IBM Corp., Armonk, NY, USA) and STATA 16.0 (StataCorp Lp, College Station, TX, USA) were used for all statistical analyses.


Characteristics of participants and comparison of variables according to suicide survivors

Table 1 shows the sociodemographic characteristics of the participants, and the differences in variables of interest between suicide and non-suicide survivors. Of the 878 total participants, 109 persons (12.4%) were suicide survivors. The most common relationship with the suicide victim was friend (38.5%, n=42), followed by parent (31.2%, n=34), relative (26.6%, n=29), and sibling (3.7%, n=4). In terms of sociode-mographic characteristics, there were far more females (68.9%, n=605) than males (31.1%, n=273). The most common educational level was high school (50.8%, n=446), the most common family structure was a two-parent family (56.0%, n=492), and the most common grade level was poor (51.8%, n=455), but there were no statistically significant differences in these variables between suicide survivors and non-suicide survivors. Meanwhile, economic status was significantly higher in suicide survivors (χ2=6.357, p<0.05), but no significant differences were found in the use of lethal methods or referral to mental health services. The percentage of suicide deaths was higher among suicide survivors (37.6%, n=41) than non-suicide survivors (25.4%, n=195), and this was statistically significant (χ2=7.297, p<0.01).

Characteristics of participants and comparison of variables according to suicide survivors

Total (n=878) Suicide survivors χ2

No (n=769) Yes (n=109)
Gender 3.045
Male 273 (31.1) 247 (32.1) 26 (23.9)
Female 605 (68.9) 522 (67.9) 83 (76.1)
School level 5.483
Elementary 49 (5.6) 46 (6.0) 3 (2.8)
Middle 383 (43.6) 343 (44.6) 40 (36.6)
High 446 (50.8) 380 (49.4) 66 (60.6)
Socioeconomic status 6.357*
High 45 (5.1) 34 (4.4) 11 (10.1)
Middle 442 (50.4) 391 (50.9) 51 (46.8)
Low 391 (44.5) 344 (44.7) 47 (43.1)
Family status 2.131
Parents 492 (56.0) 438 (57.0) 54 (49.5)
Others 386 (44.0) 331 (43.0) 55 (50.5)
Academic achievement 0.666
High 126 (14.4) 108 (14.0) 18 (16.5)
Middle 297 (33.8) 263 (34.2) 34 (31.2)
Low 455 (51.8) 398 (51.8) 57 (52.3)
Suicide means 1.205
Less-lethal 470 (53.5) 417 (54.2) 53 (48.6)
Lethal 408 (46.5) 352 (45.8) 56 (51.4)
Referral status 3.028
Referral 399 (45.4) 341 (44.3) 58 (53.2)
Non-referral 479 (54.6) 428 (55.7) 51 (46.8)
Suicide death 7.297†
No 642 (73.1) 574 (74.6) 68 (62.4)
Yes 236 (26.9) 195 (25.4) 41 (37.6)
Relationships with suicide decedents‡ -
Parents 34 (31.2) - 34 (31.2)
Siblings 4 (3.7) - 4 (3.7)
Relatives 29 (26.6) - 29 (26.6)
Friends 42 (38.5) - 42 (38.5)

Values are presented as n (%) unless otherwise indicated. *p<0.05, p<0.01, total n=109

Bivariate correlation of variables of interest

Table 2 shows the results of correlation analysis for the variables of interest. Because the variables of interest were all categorical, the phi correlation was calculated. Suicide survivor status did not significantly correlate with referral to mental health services but showed a positive correlation with suicide death (r=0.119, p<0.001). Referral to mental health services also showed a positive correlation with sui-cide death (r=0.184, p<0.001).

Bivariate correlation among variables of interests

1 2 3
1. Suicide survivors
2. Referral status -0.051 -
3. Suicide death 0.119* 0.184* -

* p<0.001

Model analysis

Table 3 shows the results of analyzing the research models. Model 1 tested the primary effects of being a suicide survivor and referral to mental health services on death by suicide. First, suicide survivor status alone did not have a significant effect on suicide death, but not being referred to mental health services was associated with 2.08 times higher risk of death by suicide [adjusted odds ratio (AOR)=2.08, p<0.001]. Among the control variables, female sex was associated with lower risk of suicide death (AOR=0.62, p<0.05), whereas the risk of death by suicide increased with a higher educational level (AOR= 2.49, p<0.001) and with the use of lethal methods (e.g., jumping or hanging; AOR=46.54, p<0.001). Model 2 tested how the risk of death by suicide was affected by the interaction between being a suicide survivor and referral to mental health services. Using the theoretical minimum risk group (non-suicide survivor and referral) as the reference, the risk of suicide death was 1.87 times higher in the non-suicide survivor and non-referral group (AOR=1.87, p<0.01). On the other hand, there was no significant effect on the suicide survivor and referral group. In other words, even if the participant was a suicide survivor, when they were referred to a mental health service, there was no significant difference in the risk of death by suicide compared to the group with the lowest risk. Meanwhile, the suicide survivor and non-referral group showed a 4.59 times higher risk of suicide death (AOR=4.59, p<0.001). These results are displayed in Fig. 1.

The research model results

Model 1 (n=878) Model 2 (n=878)

AOR 95% CI AOR 95% CI
Male (ref) 1.00 1.00
Female 0.62* 0.41-0.94 0.62* 0.41-0.94
School level 2.49‡ 1.72-3.45 2.48‡ 1.74-3.55
Socioeconomic status 0.56† 0.38-0.84 0.56† 0.38-0.83
Family status
Parents (ref) 1.00 1.00
Others 1.07 0.66-1.70 1.07 0.67-1.71
Academic achievement 0.77 0.58-1.01 0.77 0.58-1.02
Suicide means
Less-lethal (ref) 1.00 1.00
Lethal 46.54‡ 23.34-90.43 46.55‡ 23.56-91.96
No (ref) 1.00
Yes 1.71 0.92-3.15
Referral status
Referral (ref) 1.00
Non-referral 2.08‡ 1.38-3.12
Non-SS and Referral (ref) 1.00 1.21-2.89
Non-SS and Non-referral 1.87† 0.39-2.70
SS and Referral 1.03 2.02-10.42
SS and Non-referral 4.59‡
Constant 0.02‡ 0.00-0.12 0.02‡ 0.00-0.06

LR chi2 (n) 437.61 (8)‡ 439.47 (9)‡
Pseudo R2 0.428 0.430

* p<0.05, p<0.01, p<0.001. AOR: adjusted odds ratio, CI: confidence interval, ref: reference, SS: suicide survivors, LR: likelihood ratio

Fig. 1. Results for the group differences to suicide death risk. *p<0.01, p<0.001. ns: not significant, ref: reference, SS: suicide survivors.

Our findings demonstrate that adolescent suicide survivors have a higher risk of death by suicide and suggest that referral to mental health services could mitigate that risk. The major findings are discussed below. First, 109 of the 878 total participants (12.4%) were suicide survivors. This is consistent with a previous study showing that the rate of suicide survivors was over 11% [13]. Specifically, the most common relationship of the suicide victim to the suicide survivor was a friend (38.5%, n=42), followed by a parent (31.2%, n=34), a relative (26.6%, n=29), and a sibling (3.7%, n=4). If parents, siblings, and other relatives are all categorized as family, the percentage increases to 61.5% (n=67), meaning that, for approximately 3 out of 5 suicide survivors, the suicide victim is a family member. However, when we analyzed the primary effects in our research model, being a suicide survivor alone did not result in a statistically significant increase in the risk of death by suicide. In general, existing studies have reported that adolescent suicide survivors are vulnerable to develop internalizing disorders such as depression or anxiety [26], and are at higher risk of direct suicide attempts [12,15]. However, unlike these previous studies, our study sample only included the high-risk group consisting of suicide attempters and completers, and this could be surmised to be the reason for the discrepancy. On the other hand, not being referred to a mental health service was associated with a 2.08-time higher risk of death by suicide (AOR=2.08, p<0.001). Our novel finding is that referral of the high mental health risk groups to mental health services can reduce the risk of death by suicide. Moreover, when we analyzed the interaction between non-referral and suicide survivor status, the risk of suicide death increased by 4.59; this indicates the importance of identifying vulnerable individuals, such as suicide survivors, and providing referral to mental health services.

These results demonstrate the need to give attention to adolescent suicide survivors. Due to the nature of adolescents as a group, their intimate social network mostly consists of home and school, and these environments are both closely associated with adolescent development. One empirical study [14] sampled 19376 university students and extracted only those with death by suicide in the family; the authors then analyzed the effects of a family history of suicide on suicide attempts, and reported that even when controlling for psychiatric symptoms (The General Health Questionnaire-12, GHQ-12), the risk of suicide attempts was around 3 times higher in students with a family history of suicide. On the other hand, a study on the exposure to the death of a friend by suicide [27], administered the Child Report of Post-traumatic Symptoms (CROPS) test to 956 adolescents at schools with suicide deaths, and found that only 8.6% of the subjects were classified as high-risk suicide survivors. These results demonstrate that the experiences of suicide survivors are closely related to the intimacy and quality of the relationship with the victim [28], and that, in addition to direct intervention for family suicide survivors, it is also of the utmost importance to screen for the high-risk group in the case of friend relationships.

Key considerations for mental health services for suicide survivors can be divided into interventions for complicated grief through specialized mental health services including psychiatric treatment and for alleviating the stigma associated with screening. First, in a study performing psychological autopsy on adolescent suicide survivors [29], up to 95% of subjects showed psychiatric difficulties meeting clinical criteria. Consequently, when providing mental health services for the high-risk group, providing psychiatric treatment may be essential. Meanwhile, when providing treatment for suicide survivors, it is crucial to deal with complicated grief. Complicated grief is common in adolescent suicide survivors who have experienced bereavement due to suicide in an intimate relationship, and it is reported to be closely associated with psychiatric symptoms such as depression [30], anxiety, PTSD, and suicide ideation [31]. Some studies have suggested that there may be a long time-gap between the time of bereavement and the expression of psychiatric symptoms such as depression and anxiety [31], and there is a need to prioritize treatment of complicated grief [32]. This is derived from the fact that complicated grief is accompanied by difficulty accepting bereavement, anger about bereavement, and loss of meaning in life after bereavement, and can persist through-out a lifetime, existing as a clearly separate but related construct with other psychiatric symptoms such as depression, anxiety, and PTSD [32,33]. One previous study [34] has demonstrated that the core resources to alleviate the symptoms of grief in adolescents are hope and positive expectations about the future. Therefore, in suicide survivors, it is important to prioritize treatment of complicated grief by improving the ability to cope with grief-inducing incidents, correcting cognitive distortions, and reinforcing the positivity of life via supportive resources in the patient’s surrounding environment.

Next, environmental interventions need to be implemented simultaneously to alleviate the stigma experienced by suicide survivors. One study [12] demonstrated that perceived stigma accompanying the experience of suicide survivors was a key factor influencing suicide attempts and emphasized the importance of eliminating perceived stigma as a core element of interventions in suicide survivors. This indicates that the experiences of suicide survivors bring shock and grief, while also increasing anxiety, depression, and suicidality; as a result, survivors are concerned about the stigma of being classified into the high mental health risk group. Based on these results, interventions for adolescent suicide survivors should focus on creating a supportive environment that can minimize the stigma associated with screening. Indeed, one study [27] introduced the strategy of forming a supportive environmental system to alleviate stigma and applied this school-based crisis intervention to 956 adolescents in schools who had experienced suicide deaths. Education, including mental health knowledge and proper understanding of grief, was provided to all members of the school, while specialized mental health treatment and supportive counseling services were provided to high-risk students. In follow-up testing 5 months after the interventions, the high-risk group had decreased by around 66.2%. Therefore, in addition to personal medical treatment, linkage with comprehensive mental health services, including environmental resources, is expected to reduce the risk of death by suicide among suicide survivors.

This study had several limitations. First, the data we used is from completed or attempted suicide reports collected by the Ministry of Education, and so it is possible that we may have missed unreported incidents, or that incidents may have been downscaled in the reports. In addition, suicide attempts can be divided more specifically into categories, such as aborted or self-interrupted attempts, as shown in the Colombia-Suicide Severity Rating Scale, but this was not possible with the data used in this study. In future studies, suicide attempts will need to be classified more precisely, and this will require face-to-face assessment methods, such as caregiver interviews, when collecting completed or attempted suicide incident reports. Also, because this study uses cross-sectional data, there are limitations in generalizing the causative relationships between the variables of interest. Second, the data in this study are based on completed and attempted suicide incident reports submitted by schools to the regional offices of education after the incident. However, because the respondents in each report are different (e.g., homeroom teacher, school counselor, school principal), the responses may differ in accuracy. Third, “referral to mental health services” included all instances of specialist institutions outside of school, regardless of the type of institution. It will be necessary to differentiate the effects of the type of institution providing mental health services on the risk of death by suicide. Fourth, there was a large loss of data because about half of the original data (n=719) were lacking the variable-of-interest of being a suicide survivor. As a result, we were unable to include other variables that could affect suicide death (e.g., previous suicide attempts) in the research model, because they resulted in further missing values. These will need to be considered in further studies.


This study analyzed how the risk of death by suicide was affected by being an adolescent suicide survivor who had lost someone close to suicide, and by referral to a specialized mental health institution. Four groups were defined based on whether the participant was a suicide survivor and whether they were referred to a mental health service; compared to the reference group of “non-suicide survivor, referral”, the “non-suicide survivor, non-referral” group showed a 1.87-time higher risk of death by suicide, and the “suicide survivor, non-referral” group showed a 4.59-time higher risk of death by suicide. On the other hand, the “suicide survivor, referral” group did not showed significant difference with the reference group.


This work was supported by the Ministry of Education of the Re-public of Korea and the National Research Foundation of Korea (NRF-2018S1A5B8A02081988).

Conflicts of Interest

The authors have no potential conflicts of interest to disclose.

Author Contributions

Conceptualization: Joonbeom Kim. Data curation: all authors. For-mal analysis: Joonbeom Kim. Funding acquisition: Hyun Ju Hong. In-vestigation: all authors. Methodology: Joonbeom Kim. Project admin-istration: Hyun Ju Hong, Sung Hee Hong. Resources: Hyun Ju Hong. Software: Joonbeom Kim. Supervision: Hyun Ju Hong, Sung Hee Hong. Validation: Hyun Ju Hong. Visualization: Joonbeom Kim, Sung Hee Hong. Writing—original draft: Joonbeom Kim. Writing—review & editing: Hyun Ju Hong, Sung Hee Hong.

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