OBJECTIVE To evaluate the impact of the US Air Force suicide prevention programme on risk of suicide and other outcomes that share underlying risk factors. DESIGN Cohort study with quasi-experimental design and analysis of cohorts before (1990-6) and after (1997-2002) the intervention. PARTICIPANTS 5,260,292 US Air Force personnel (around 84% were men). INTERVENTION A multilayered interve...

Literature reviews on suicide prevention programs have presented conflicting results on the efficacy of school-based prevention programs. Gatekeeper training and peer helping are both recommended as part of a comprehensive school-based prevention program, yet there is no literary evidence of the systematic evaluation of gatekeeper training for peer helpers. This study evaluated the efficacy of ...

Suicide rates of young people are increasing in many geographic areas. There is a need to recognize more precisely the role of specific mental disorders and their comparative importance for understanding suicide and its prevention. The authors reviewed the published English-language research, where psychiatric diagnoses that met diagnostic criteria were reported, to reexamine the presence and d...

With the rise of Internet technology over the past decade, a new approach to suicide prevention shifts focus to online communities. However, due to the various and dynamic ecosystems of an online community, its effects on suicide prevention remain largely unknown. To investigate this issue, we use linguistic analysis and selected SuicideWatch, a forum on reddit as our research context and inves...

Indigenous youth suicide incidence is high globally, and mostly involves young males. However, the Inuit of Arctic Canada have a suicide rate that is among the highest in the world (and ten times that for the rest of Canada). The author suggests that suicide increase has emerged because of changes stemming in part from the Canadian government era in the Arctic in the 1950s and 1960s. The effect...