Crisis
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Telephone hotlines are a widely used type of suicide prevention program. ⋯ We were able to identify risk factors for suicidal ideation based on an analysis of enormous amounts of data from a telephone crisis hotline in Japan. Knowledge of these risk factors is expected to lead to improvements in suicide prevention programs.
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Repetition of self-harm is common and is strongly associated with suicide. Despite this, there is limited research on high-volume repetition. ⋯ The approach used in this study offers a new method for investigating this problem that could have both clinical and research benefits. The need for early intervention is highlighted by the large number of self-harm episodes per patient, the clustered nature of attendances, and the higher prevalence of death from external causes.