Socio-Demographic Factors and Co-Morbidities in a Sample of Australian Young People with High Risk of Suicide

Introduction: Increasing rates of youth suicide are a growing concern worldwide. The single highest risk factor for suicide is a prior suicide attempt; however, knowledge around the broader factors that may increase the likelihood of the initial suicide attempt is limited. Understanding these risk factors is critical for clinicians to inform the development of early intervention strategies. This study examines the characteristics of a specific cohort of young people attending a tertiary mental health service in Melbourne, Victoria, following a suicide attempt or with persistent suicidal ideation. Method: A file audit of all young people attending the service was conducted from the commencement of the new service in 2022 through to the end of 2024. One hundred and seventy-one files were examined for specific data, including items such as age, gender, gender diversity, socio-economic factors and neurodivergence. Results: One-sample z proportion tests showed significantly higher proportions of young people who were LGBTIQIA+, transgender, gender diverse or non-binary (TGDNB), neurodivergent, not engaged in employment, education or training (NEET), and international students in the clinical cohort compared with the Australian population. Almost one-fifth of the cohort reported a history of trauma. Discussion: The study provides insight into characteristics observed among a cohort of suicidal young people. Findings highlight that young people from several marginalised groups were more frequently observed in this clinical cohort. The findings have implications for youth mental health services, supporting earlier identification of potential factors associated with suicidality so that prevention strategies can be implemented in a timely manner.