Abstract
BackgroundSuicide is an alarming public health problem accounting for a considerable number of deaths each year worldwide. Many more individuals contemplate suicide. Understanding the attributes, characteristics, and exposures correlated with suicide remains an urgent and significant problem. As social networking sites have become more common, users have adopted these sites to talk about intensely personal topics, among them their thoughts about suicide. Such data has previously been evaluated by analyzing the language features of social media posts and using factors derived by domain experts to identify at-risk users.ResultsIn this work, we automatically extract informal latent recurring topics of suicidal ideation found in social media posts. Our evaluation demonstrates that we are able to automatically reproduce many of the expertly determined risk factors for suicide. Moreover, we identify many informal latent topics related to suicide ideation such as concerns over health, work, self-image, and financial issues.ConclusionsThese informal topics topics can be more specific or more general. Some of our topics express meaningful ideas not contained in the risk factors and some risk factors do not have complimentary latent topics. In short, our analysis of the latent topics extracted from social media containing suicidal ideations suggests that users of these systems express ideas that are complementary to the topics defined by experts but differ in their scope, focus, and precision of language.
Highlights
Suicide is an alarming public health problem accounting for a considerable number of deaths each year worldwide
Some of our topics express meaningful ideas not contained in the risk factors and some risk factors do not have complimentary latent topics
Our analysis of the latent topics extracted from social media containing suicidal ideations suggests that users of these systems express ideas that are complementary to the topics defined by experts but differ in their scope, focus, and precision of language
Summary
Suicide is an alarming public health problem accounting for a considerable number of deaths each year worldwide. The act of causing one’s own death, is the tenth leading cause of mortality in the United States and is estimated to cost 44.6 billion dollars per year. This understates the severity of the problem, as for every attempted suicide, there are nearly 10 times as many people who contemplate suicide [1]. The scope and impact of this mental health issue make understanding it a public health priority When discussing their ideations, many individuals often reference common symptoms: feeling helpless, feeling. The emotional stress caused by bullying, interpersonal relationships, and finances are important factors [3] These descriptions of suicidal ideation often capture a clinical viewpoint
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