The BEACON study: protocol for a cohort study as part of an evaluation of the effectiveness of smartphone-assisted probl

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The BEACON study: protocol for a cohort study as part of an evaluation of the effectiveness of smartphone-assisted problem-solving therapy in men who present with intentional self-harm to emergency departments in Ontario Simon Hatcher1,2* , Marnin Heisel3,4, Oyedeji Ayonrinde5,6, Julie K. Campbell7, Ian Colman2, Daniel J. Corsi1,2, Nicole E. Edgar1, Lindsay Gillett8, Sidney H. Kennedy9,10, Sophia Lakatoo Hunt11, Paul Links12, Sarah MacLean1,13, Viraj Mehta4, Christopher Mushquash14, Alicia Raimundo1,2, Sakina J. Rizvi9,10, Refik Saskin15, Ayal Schaffer10,16, Alaaddin Sidahmed17, Mark Sinyor10,16, Claudio Soares5,6, Monica Taljaard1,2, Valerie Testa1,2, Kednapa Thavorn1,2, Venkatesh Thiruganasambandamoorthy1,2 and Christian Vaillancourt1,2

Abstract Background: Patients who present to emergency departments after intentional self-harm are at an increased risk of dying by suicide. This applies particularly to men, who represent nearly two-thirds of those who die by suicide in Ontario. One way of potentially addressing this gap is to offer a course of blended problem-solving therapy, comprised of a brief course of evidence-based psychotherapy for individuals at risk for suicide, facilitated by the use of a patient-facing smartphone application and a clinician-facing “dashboard.” This approach has the potential to combine the benefits of face-to-face therapy and technology to create a novel intervention. Methods: This is a cohort study nested within a larger pragmatic multicentre pre- and post-design cluster randomised trial. Suicidal ideation assessed by the Beck Scale for Suicide Ideation is the primary outcome variable. Secondary outcome measures include depression (Patient Health Questionnaire-9), anxiety (Generalized Anxiety Disorder 7-item scale), post-traumatic stress disorder (Primary Care PTSD Screen), health-related quality of life (EuroQol 5-dimension 5-level questionnaire), meaning in life (Experienced Meaning in Life Scale), perceived social supports (Multidimensional Scale of Perceived Social Support), alcohol use (Alcohol Use Disorders Identification Test), drug use (Drug Abuse Screening Test Short Form 10), problem-solving skills (Social Problem-Solving Inventory–Revised Short Form), and self-reported healthcare costs, as well as health service use measured using (Continued on next page)

* Correspondence: [email protected] 1 Ottawa Hospital Research Institute, Ottawa, Canada 2 University of Ottawa, Ottawa, Canada Full list of author information is available at the end of the article © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless i