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Nonsuicidal self-injury (NSSI) is frequently encountered in adolescents, but its predictive value for suicidality or other clinical characteristics is challenging due to its heterogeneous nature. This study used latent class analysis to identify subgroups of NSSI and compared these on sociodemographic characteristics, adverse outcomes and protective factors. The study included 966 high-risk adolescents, Mage 14.9 y, SD 0.9 y, 51.8% female. Four classes emerged: (1) "Low NSSI-Low suicidality", (2) "Moderate NSSI-Low suicidality", (3) "Moderate NSSI-High suicidality", and (4) "High NSSI-High suicidality". Girls predominated in the high suicidality classes. Generally, Class 4 had the poorest outcomes: more internalizing and externalizing problems, less social support from friends and families and worst self-esteem. These findings emphasize the need for interventions tailored to specific phenotypes of adolescents engaging in NSSI.

Nonsuicidal self-injury (NSSI) is frequently encountered in adolescents, but its predictive value for suicidality or other clinical characteristics is challenging due to its heterogeneous nature. This study used latent class analysis to identify subgroups of NSSI and compared these on sociodemographic characteristics, adverse outcomes and protective factors. The study included 966 high-risk adolescents, Mage 14.9 y, SD 0.9 y, 51.8% female. Four classes emerged: (1) “Low NSSI–Low suicidality”, (2) “Moderate NSSI-Low suicidality”, (3) “Moderate NSSI-High suicidality”, and (4) “High NSSI-High suicidality”. Girls predominated in the high suicidality classes. Generally, Class 4 had the poorest outcomes: more internalizing and externalizing problems, less social support from friends and families and worst self-esteem. These findings emphasize the need for interventions tailored to specific phenotypes of adolescents engaging in NSSI.

On January 1, 2020, the Compulsory Mental Health Care Act took effect in the Netherlands. It contains provisions for compulsory community treatment (CCT) and compulsory treatment at home (CTH). In this study, we collected the opinions of patients and their significant others on CTH and on their preferences regarding compulsory care in their homes. Patients and their significant others were involved in the experience-based co-design of a purpose-built online questionnaire. This questionnaire was completed by 624 patients and 531 significant others. Sixty-one percent of the patients and 62% of the significant others did not want compulsory treatment to take place at home but in hospital or elsewhere. Patients’ and significant others’ opinion showed few differences, except with regard to the involvement of the significant others in CTH. As the respective views of patients and significant others were mixed, we recommend that crisis plans and compulsory treatment plans should be individually tailored to the needs and wishes of patients and their significant others regarding CTH.