Background Suicide is among the leading causes of preventable death worldwide. The impact of suicide affects personal, social, and economic level. Therefore, its prevention is a priority for public health systems. Previous studies seem to support the efficacy of providing active contact to persons who have made a suicide attempt. The current systematic review and meta-analysis aims to investigate the efficacy of distance suicide prevention strategies implemented through synchronous technology-based interventions. Methods This protocol is designed according to the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols (PRISMA-P). The bibliographic searches will be conducted in the databases MEDLINE/PubMed, PsycInfo, Scopus, and Web of Science until April 2022, with no restrictions on the publication period and limited to publications in English or Spanish. Two reviewers will independently conduct study screening, selection process, data extraction, risk of bias (RoB), and methodological quality assessment. Conclusions Telematics suicide prevention has been an emergent field for years, although there is currently no evidence that synthesises the efficacy of synchronous remote-based interventions. This protocol outlines the methods of a planned research that will extend knowledge derived from the current available evidence. It will provide guidance to clinical practice and encourage further research. Systematic review registration This protocol has been registered at the International Prospective Register of Systematic Reviews (PROSPERO), under the identification number CRD42021275044.

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Background: Suicide is a health problem among patients diagnosed with schizophrenia. Telehealth technology has become an emerging intervention that may offer opportunities to reach this at-risk group. However, to consider the implementation of telehealth systems in the prevention of suicidal behaviors in patients diagnosed with schizophrenia, a review of the evidence is required. The present aim was to explore the effectiveness of telephone-based suicide prevention programs among patients with schizophrenia and related disorders. Methods: A bibliographic search was carried out in the PubMed, PsycInfo, Scopus and Web of Science electronic databases following PRISMA guidelines. Two reviewers performed the selection, data extraction and methodological quality assessment. A total of 352 articles were retrieved, of which five studies met the eligibility criteria. Results: Globally, an adherence was observed ranging from 78 to 100%. Three studies reported a reduction in suicidal ideation and two studies showed a reduction in the risk of relapse observed in the intervention group compared to a control group. Conclusions: In accordance with the limited data available, the use of a telephone contact approach appears to be feasible and effective in schizophrenia patients with suicidal behaviors. The preliminary evidence also suggests that this system appears to reduce suicidal ideation. Further research is required to design evidence-based future interventions and to determine whether this approach can improve patient outcomes.

Rationale: widespread population vaccination against the SARS-CoV-2 virus is a matter ofgreat interest to public health managers as it is the main pharmacological measureto contain the COVID-19 epidemic. Hesitancy or reluctance to vaccination hasbecome one of the main barriers to containing the pandemic. The young adultpopulation appears as one of the population clusters with the greatest reluctance tovaccination, even in countries such as Spain, one of those with the highestvaccination rate during this pandemic.Objective: the aim of this study was to identify the main predictive factors of vaccinationintention and profile people with hesitancy/reluctance to vaccinate againstSARS-CoV-2 virus in young adults living in Spain during the pandemic.Method: a cross-sectional study was carried out based on the administration of an onlineform (PSY-COVID-2) that evaluated the intention of vaccination together with a widerange of sociodemographic, social, cognitive, behavioral and affective variables in asample of 2210 young adults.Results: 14% of the young adults sample showed hesitancy/reluctance to vaccination at thebeginning of their vaccination campaign. Pearson`s product-moment correlationrevealed that a total of 35 factors of a heterogeneous nature were associated withthe intention to vaccinate. Analysis of variance showed that belonging to healthpersonnel, threat to personal health, tolerance of confinement, favorable attitude tomobility restrictions, to preventive measures, to the vaccine and to the public systemresponse, trust in the government and health/science experts, personality(extraversion and agreeableness), time and quality of information about COVID-19,and coping strategy of seeking emotional support were conditions associated withthe intention to vaccinate against SARS-CoV-2. In contrast, conspiratorial thinkingabout COVID-19, availability of public resources for mental health, good post-pandemic mood, and coping strategies of seeking family support and substance use were conditions associated with hesitancy/reluctance to vaccination. A multiple linear regression analysis showed that a reduced set of 4 attitudinal and social variables explained 41% of the variability in vaccination intention: attitude towards vaccination, trust in health/science experts, conspiracy ideations and time spent on information about COVID-19. A discriminant analysis showed that these 4 variables had good sensitivity and specificity when classifying people as reluctant/not reluctant to vaccination, properly classifying 86% of people. Conclusions: psychosocial processes related to attitudes, trust and information are the main predictors of vaccination intention in a highly reluctant group such as the young adult population.