Objective Suicide prevention is a high priority. Scalable and sustainable interventions for suicide prevention are needed to set the stage for population-level impact. This systematic review explores how technology-enhanced interventions target suicide risk and protective factors, using the Centers for Disease Control and Prevention (CDC, 2015) Risk and Protective Factors Ecological Model. Methods Information databases (PsycINFO, PubMed and CINAHL) were systematically searched and records including technology-enhanced interventions for suicide prevention ( n = 3764) were reviewed. Records with varying technologies and diverse methodologies were integrated into the search. Results Review of the records resulted in the inclusion of 16 studies that utilized technology-enhanced interventions to address determinants of suicidal behaviour. This includes the use of standalone or, in most cases, adjunct technology-enhanced interventions for suicide prevention delivered by mobile phone application, text message, telephone, computer, web, CD-ROM and video. Conclusion Intervention effectiveness was variable, but several technology-enhanced interventions have demonstrated effectiveness in reducing suicidal ideation and mental health co-morbidities. Large-scale research and evaluation initiatives are needed to evaluate the costs and long-term population-level impact of these interventions.

BACKGROUND: Youth with multiple minority identities, such as those who are both sexual minority (eg, lesbian, gay, bisexual) and racial/ethnic minority (eg, Black, Latino) may be at increased risk for bullying and peer victimization. METHODS:Youth Risk Behavior Surveillance data (2011)(2012)(2013)(2014)(2015)(2016)(2017) were analyzed (N = 114,881; 50.8% girls; mean age = 15.7 years, SD = 0.03). We used chi-square tests and sex-stratified multiple linear regression models to examine sexual identity and racial/ethnic differences and the intersection between sexual identity and race/ethnicity across 3 forms of bullying and peer victimization, co-occurrence of traditional and electronic bullying, and any type of bullying or peer victimization. RESULTS:Sexual minority youth reported higher odds of bullying and peer victimization than heterosexual youth. White youth reported higher odds of bullying than racial/ethnic minority youth. In intersectional analyses, all sexual minority and racial/ethnic minority boys, and bisexual racial/ethnic minority girls were at higher risk for bullying and peer victimization compared to heterosexual peers of the same race/ethnicity. CONCLUSIONS:This study of a large diverse sample of youth advances our understanding of vulnerability to bullying and peer victimization among youth with multiple minority identities. This research can inform policy initiatives and interventions to prevent peer victimization of vulnerable youth. Citation: Jackman K, Kreuze EJ, Caceres BA, Schnall R. Bullying and peer victimization of minority youth: intersections of sexual identity and race/ethnicity. Joint first authors.perceived power imbalance and is generally repeated or highly likely to be repeated. 2,3 Bullying can occur in-person (ie, traditional bullying) or electronically (ie, bullying through use of technology devices and digital applications). 3 In the United States, schoolbased bullying among youth ranges from 18% to 31% 1 and electronic bullying ranges from 10% to 40%. 4 Since traditional and electronic bullying are highly

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More diverse population representation, and non-English versions of instruments, is required to improve generalizability of assessment measures. Including underrepresented groups and non-English instruments will promote culturally and linguistically sensitive instruments that may better assess suicide risk in diverse populations.

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