Testing the Effectiveness of a Blended Intervention to Reduce Suicidal Ideation among School Adolescents in Chile: A Protocol for a Cluster Randomized Controlled Trial

Daniel Núñez, Jorge Gaete, Daniela Meza, Javiera Andaur and Jo Robinson
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Daniel Núñez: Faculty of Psychology, Universidad de Talca, Talca 3460000, Chile
Jorge Gaete: Millennium Nucleus to Improve the Mental Health of Adolescents and Youths, Imhay, Santiago 8320000, Chile
Daniela Meza: Faculty of Psychology, Universidad de Talca, Talca 3460000, Chile
Javiera Andaur: Faculty of Psychology, Universidad de Talca, Talca 3460000, Chile
Jo Robinson: Orygen, Parkville, VIC 3052, Australia

IJERPH, 2022, vol. 19, issue 7, 1-15

Abstract: Suicidal ideation is prevalent in adolescents and is a marker for subsequent psychiatric vulnerability and symptom severity. Literature shows that blended care (integrating online and offline components in a treatment process) could improve the effectiveness and adherence of interventions targeting suicidal ideation in adolescents, but the evidence is inconclusive. Thus, we will test the effectiveness of a blended intervention to reduce suicidal ideation (primary outcome) in school settings using a single-blind two-armed cluster randomized controlled trial (cRCT). The internet-based component corresponds to the Reframe-IT, a program encompassing eight online sessions based on cognitive-behavioral therapy (CBT) principles. The face-to-face intervention will be delivered through four CBT sessions. Additionally, we will assess the effect of the intervention on the following secondary outcomes: suicidal attempts, depressive symptoms, hopelessness, emotional regulation, and problem-solving skills. Primary and secondary outcomes will be assessed at post-intervention, 3-month, 6-month, and 12-month follow-up. Finally, we will explore the mediation role of cognitive, emotional, and behavioral correlates of suicide on the effect of the intervention. Results will inform whether the intervention can reduce suicide among school adolescents and be implemented on a large scale in Chile.

Keywords: suicidal ideation; adolescents; cognitive-behavioral therapy; blended intervention; randomized controlled trial; protocol (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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