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Abstract Background Despite suicide's public health significance and global mental health awareness, current suicide prevention efforts show limited impact, posing a challenge for low and middle Income countries (LMICS). This study aimed to develop a dynamic simulation model that could be used to examine the potential effectiveness of alternative interventions for reducing youth mental health problems and suicidal behavior in Bogotá, Colombia. Methods A system dynamics model was designed using a participatory approach involving three workshops conducted in 2021 and 2022. These workshops engaged 78 stakeholders from various health and social sectors to map key mental health outcomes and influential factors affecting them. A model was subsequently developed, tested, and presented to the participants for interactive feedback, guided by a moderator. Simulation analyses were conducted to compare projected mental health outcomes for a range of intervention scenarios with projections for a reference scenario corresponding to business-as-usual. Results A total of 6,670 suicide attempts and 347 suicides are projected among 7 − 17-year-olds from January 1, 2023, to early 2031 under the business-as-usual scenario. Mental health issues among 12-17-year-olds are projected to increase from 18·9% (2023) to 27·8% (2031), and substance use issues from 2·29% to 2·49% over the same period. School-based suicide prevention and gatekeeper training are the most effective strategies, reducing total numbers of suicide attempts and suicides by more than 20% (i.e., compared to business-as-usual). However, discontinuous funding significantly hinders these effective suicide prevention efforts. Conclusion Systems modeling is an important tool for understanding where best strategic financial and political investments lie for improving youth mental health in resource constrained settings.
Ospina‐Pinillos et al. (Tue,) studied this question.