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Initial Development of a Multidimensional Computerized Adaptive Test for Intensive Longitudinal Assessment of Suicide Risk: Development and Usability Study

Initial Development of a Multidimensional Computerized Adaptive Test for Intensive Longitudinal Assessment of Suicide Risk: Development and Usability Study

Attempts to understand suicide, a growing public health concern [1], have led to the development of several theoretical models outlining factors contributing to suicidal thoughts and behaviors. Although theoretical models, such as the Interpersonal Theory of Suicide (ITS) [2], the Three-Step Theory of Suicide (3 ST) [3], and the Integrated Motivational-Volitional (IMV) [4], have received notable empirical attention [5], the translation and application to real-time risk processes remains limited.

Kenneth McClure, Brooke A Ammerman, Cheng Liu, Miguel Blacutt, Connor O'Brien, Ross Jacobucci

JMIR Form Res 2025;9:e76544


Exploring Parents’ Immediate Reactions to Digital Suicide Risk Alerts: Descriptive Study

Exploring Parents’ Immediate Reactions to Digital Suicide Risk Alerts: Descriptive Study

Suicide is a well-established public health crisis, representing the tenth leading cause of death overall in the United States [1], the second leading cause of death for youth aged 10 to 14 years, and the third leading cause of death for youth aged 15 to 24 years [2]. Nonfatal suicidal thoughts and behaviors are even more common; approximately 20% of high school students report that they had seriously considered suicide, and 9% report a suicide attempt in the past [3].

Taylor A Burke, Alexandra H Bettis, Nehal Methi, Kathryn R Fox

J Med Internet Res 2025;27:e66349


Effect of TikTok on Self-Harm and Suicidal Behavior in the Adolescent Population: Protocol for a Systematic Review

Effect of TikTok on Self-Harm and Suicidal Behavior in the Adolescent Population: Protocol for a Systematic Review

Inclusion criteria Original studies (randomized controlled trials and quasi-experimental or observational studies) Studies that evaluate Tik Tok use and its association with self-harm and/or suicidal behavior Studies that include adolescents and young adults aged 14 to 25 years Studies that quantify Tik Tok use, suicide, and related behaviors using validated assessment instruments Exclusion criteria Studies that analyze social media in general (without focusing on Tik Tok) Studies that do not explore the association

Carmen García-Fenollar, Joan Vicent Sánchez-Ortí, Luis Miguel Rojo-Bofill, Rafael Tabarés-Seisdedos

JMIR Res Protoc 2025;14:e78600


The Web-Based Recognise and Respond Gatekeeper Training Program: Noninferiority Randomized Trial

The Web-Based Recognise and Respond Gatekeeper Training Program: Noninferiority Randomized Trial

Suicide continues to be a global public health priority, claiming more than 700,000 lives worldwide each year [1]. Within Australia, over 3000 people were lost to suicide in 2022, and 1.5 million indicated that they had made a suicide plan during their lifetime [2].

Cassandra Chakouch, Ann M Martin, Philip J Batterham, Demee Rheinberger, Fiona Shand

JMIR Ment Health 2025;12:e63204


User-Reported Mechanisms of Change on a Suicide Prevention Website: Single-Arm Pragmatic Trial

User-Reported Mechanisms of Change on a Suicide Prevention Website: Single-Arm Pragmatic Trial

Suicide is a leading cause of death in the United States and represents a major public health crisis [1]. In 2022, over 13.2 million individuals in the United States seriously thought about suicide, 1.6 million attempted suicide, and 49,000 people died by suicide [2]. Many of these individuals had seen a health care provider in the month prior to their death [3,4].

Martina Fruhbauerova, David Huh, Ursula Whiteside

JMIR Form Res 2025;9:e71136


Outcome Evaluation of a Multimodal Suicide Prevention Program Designed Through International Collaboration: Protocol for a Controlled Interrupted Time Series Study

Outcome Evaluation of a Multimodal Suicide Prevention Program Designed Through International Collaboration: Protocol for a Controlled Interrupted Time Series Study

Much of the available evidence on population-level multimodal suicide prevention pertains to a program named “Optimizing suicide prevention programs and their implementation in Europe” (OSPI-Europe), which provides community and professional training, public education, and direct intervention strategies to prevent suicide across the participating regions [9,10].

Jean-Daniel Carrier, Marie-Claude Geoffroy, Michel Walter, Katia Dumont, Massimiliano Orri, Sofian Berrouiguet, Christophe Lemey, Monique Séguin

JMIR Res Protoc 2025;14:e66976


Self-Harm and Suicide-Related Content on TikTok: Thematic Analysis

Self-Harm and Suicide-Related Content on TikTok: Thematic Analysis

Suicide and self-harm among youth are growing public health concerns. Suicide is the second leading cause of death among youth aged 24 years or younger, with suicide rates among youth rising relatively consistently over the past 2 decades [1-5]. Rates of self-harm among youth have also risen since 2008 in several industrialized countries, including the United States, Canada, Australia, and the United Kingdom [6-10].

Gillian Grant-Allen, Lezhi Wang, Jasmine Amini, Simran Dhaliwal, Mark Sinyor, Rachel HB Mitchell

J Med Internet Res 2025;27:e77828


Changing Trends in Suicidal Ideation and Its Influencing Factors During the Transition From Quarantine to Post-Quarantine Among Chinese University Students During the COVID-19 Surge: Six-Wave Panel Study

Changing Trends in Suicidal Ideation and Its Influencing Factors During the Transition From Quarantine to Post-Quarantine Among Chinese University Students During the COVID-19 Surge: Six-Wave Panel Study

The concentrated and prominent manifestation of mental problems is suicide, which is closely related to mental stress, anxiety, and depression across many populations [26-28]. It would be established that there is an association between quarantine and suicide, as well as other mental health problems [1,3,5]. However, so far, no studies have examined this relationship.

Lijing Li, Tingzhong Yang, Sihui Peng, Randall R Cottrell

JMIR Form Res 2025;9:e74370


Expressions of “Ikizurasa” in Posts on X (Formerly Twitter) in Japan in 2023: Descriptive Analysis

Expressions of “Ikizurasa” in Posts on X (Formerly Twitter) in Japan in 2023: Descriptive Analysis

In Japan, deaths from suicide declined during the early phase of the COVID-19 pandemic but later increased, especially among women and people younger than 40 years [1]. Depression and hopelessness are key predictors of suicidal ideation and behavior [2,3]. Recently, ikizurasa (“pain of living”) has drawn attention as a factor in adolescent mental health issues, including hikikomori (“being confined,” a term used to describe deep social isolation) and suicide [4].

Kanami Tsuno, Azusa Arimoto, Yuki Imamatsu, Yumiko Kobayashi, Miho Satoh, Tomoyuki Miyazaki

JMIR Form Res 2025;9:e70613