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Non-suicidal self-injury disorder (NSSID) is a new diagnosis proposed in DSM-5 with a need of further study, especially in adolescent clinical populations where non-suicidal self-injury (NSSI) is particularly prevalent. We aimed to study characteristics of NSSID and estimate an optimal cutoff frequency level of NSSI behavior. Data were collected from 103 outpatient adolescents (ages 12–18) with recurrent self-harm behavior. Adolescents with NSSID reported significantly more frequent NSSI behavior and suicide attempts than adolescents without NSSID. Frequency of NSSI, global functioning, depressive symptoms, number of self-harm methods and anxiety symptoms best discriminated between adolescents with and without NSSID. An optimal cutoff level for a diagnosis of NSSID was found to be ≥15 days with NSSI during the last year, which led to a reduction in the rate of adolescents diagnosed with NSSID from 54% to 46%. This study shows that NSSID is a highly impairing disorder characterized by high risk of multiple NSSI and suicide attempts, decreased functioning and other associated psychiatric disorders. Clinical awareness of these risks are important to ensure early detection and treatment. Future prospective longitudinal studies are needed to further validate the characteristics of the NSSID diagnosis and its clinical utility. [ABSTRACT FROM AUTHOR]

This study aimed to identify trajectories of service use during the last year before suicide death and the characteristics associated with the trajectories in patients with substance use disorders. This study used a national registry data linkage, which included all patients with substance use disorders who died by suicide in Norway between 2010 and 2018. In- and outpatient contacts with mental health or substance use services during the last year before suicide death was analyzed by week using Sequence State Analysis and cluster analysis to identify trajectories. Logistic regression was used to measure the association between the characteristics and the trajectories. We identified four trajectories of service contact. A brief contact trajectory (n = 366) with a low proportion of weeks in contact (M weeks = 8.3), associated with less psychosis or bipolar disorder (aOR = 0.13 (0.08–0.22)) and higher age. A regular contact trajectory (n = 160), with a higher proportion of contact (M weeks = 47.9), associated with psychosis or bipolar disorder (aOR = 3.66 (2.10–6.47)) and depressive or anxiety disorder (aOR = 3.11 (1.93–5.13)). An intermittent contact trajectory (n = 195) with most contacts with outpatient substance use disorder services (M weeks = 9.7). A continuous contact trajectory (n = 109) with a high proportion of inpatient contact (M weeks = 44.5), strongly associated with psychosis or bipolar disorder (aOR = 6.08 (3.26–11.80)). Longitudinal descriptions of service use reveal different trajectories that are important to consider when developing policies or interventions to reduce the risk of suicide death in patients with substance use disorders. [ABSTRACT FROM AUTHOR]

We aimed to determine differences between adolescents with non-suicidal self-harm with and without a history of suicide attempt (SA). Sixty-eight adolescents with a mean age of 15.6 years (SD = 1.5) attending child and adolescent psychiatric outpatient clinics for repeated self-harm in Oslo, Norway, were included. A battery of instruments was used to assess sociodemographic information and psychopathology such as Diagnostic and Statistical Manual of Mental Disorders (DSM) diagnoses, emotional and behavioral problems, borderline symptoms, depression, hopelessness, suicidal ideation, and history of SA. Twenty-six participants (38.2%) reported a lifetime history of SA. Compared to the participants without a history of SA, those with an SA history had used a higher number of methods of self-harm and methods with higher lethality and had higher degrees of emotional and behavioral problems. They also scored higher in depressive symptoms, borderline pathology, emotional dysregulation, hopelessness, and suicidal ideation. History of SA was independently associated with perceived moderate to high risk of death on the most severe episode of self-harm (adjusted odds ratio [aOR], 15.93; 95% confidence interval [CI], 1.96–129.66), a longer duration (months) since self-harm debut (aOR, 1.07; 95% CI, 1.01–1.13), and suicidal ideation severity (aOR, 1.05; 95% CI, 1.01–1.11). Parental report of behavioral problems associated with SA suggested a strong association with externalizing problems. A combination of having a high level of psychopathology, externalizing problems, an extended history of self-harm behavior and use of more lethal self-harm methods seems to entail a significantly increased risk for making SAs among adolescents with non-suicidal self-harm. Non-suicidal self-harm (NSSH) with suicide attempt may be distinctive from NSSH without suicide attempt. Adolescents with NSSH with suicide attempt had relatively greater psychopathology. Protracted/lethal self-harm methods and externalizing problems indicate comorbidity. [ABSTRACT FROM AUTHOR]

To compare suicide rates of people in prison and the general population in the Nordic countries. Data on deaths by suicide and person-years for people in prison and the general population were obtained for the Nordic countries during 2000–2016. Age-standardized rate ratios were calculated. The suicide rate in the Nordic countries overall was 110.1 (95% CI = 98.1, 122.2) per 100,000 person-years for people in prison. A significant decline was noted for the suicide rate of people in prison between 2000 and 2016 (p < 0.0001). The age-standardized mortality ratio was 7.4 (95% CI = 5.9–8.2) for males and 17.8 (95% CI = 7.3–33.2) for females in Denmark, Iceland, and Norway. Despite a decreasing trend over time, excess suicide mortality was noted for people in prison. [ABSTRACT FROM AUTHOR]

Studies from several countries suggest that erecting fences on bridges more commonly used for suicide by jumping may be an effective way of reducing the risk of suicide by jumping from these bridges. Distribution of suicides by jumping off bridges has not yet been studied on a national level in any country. This study included all suicides by jumping from high places registered in the Norwegian Cause of Death Registry (COD) in the period 1999–2010 (n = 319). Combining data from the COD registry and information from police records, 71 cases of suicide by jumping off a bridge were identified involving 36 bridges. This form of suicide constituted approximately 1% of all suicides in Norway in the period 1999–2010. Almost half of these suicides were registered at only 6 bridges. Three Norwegian bridges were secured during the observation period of this study. Two bridges had barriers installed on the full length of the bridge with 11 suicides registered before barriers were installed, and none after. On the 1 bridge that was only partially secured, no change in numbers of suicides was observed after barriers were installed. One-third of jumps from bridges occurred over land. We found that although suicide by jumping off bridges was a relatively rare event, there is a potential for saving lives by installing physical barriers on bridges that are more commonly used for suicide by jumping. [ABSTRACT FROM PUBLISHER]

Posttraumatic stress disorder and major depressive disorder are well-established risk factors for suicidal behavior. This study compared depressed suicide attempters with and without comorbid posttraumatic stress disorder with respect to additional diagnoses, global functioning, depressive symptoms, substance abuse, history of traumatic exposure, and suicidal behavior. Adult patients consecutively admitted to a general hospital after a suicide attempt were interviewed and assessed for DSM-IV diagnosis and clinical correlates. Sixty-four patients (71%) were diagnosed with depression; of them, 21 patients (32%) had posttraumatic stress disorder. There were no group differences in social adjustment, depressive symptoms, or suicidal intent. However, the group with comorbid depression and posttraumatic stress disorder had more additional Axis I diagnoses, a higher degree of childhood trauma exposure, and more often reported previous suicide attempts, non-suicidal self-harm, and vengeful suicidal motives. These findings underline the clinical importance of diagnosis and treatment of posttraumatic stress disorder in suicide attempters. [ABSTRACT FROM AUTHOR]