ArticleSocial psychiatry and psychiatric epidemiology2026
Prevalence and associations of lifetime, 12-month, and 30-day suicidal thoughts and behaviours among 3,702 First-Year university students in New Zealand.
Article in Social psychiatry and psychiatric epidemiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundReliable epidemiological data about the prevalence, age-of-onset, and correlates of suicide-related outcomes are critical for effective suicide prevention. The present study aimed to investigate the lifetime and past 12-month prevalence of suicidal thoughts, plans, attempts. We then investigated whether these outcomes were associated with socio-demographic variables and mental disorders among first-year university students in New Zealand.
methodsData were collected between 2021 and 2023 through online self-report surveys as part of New Zealand's contribution to the World Mental Health International College Surveys initiative. The final sample consisted of n = 3,702 first-year university students (overall response rate: 24.2%). Suicide-related outcomes were assessed using the Columbia-Suicide Severity Rating Scale (C-SSRS). Weighted prevalence estimates were calculated and data were analysed using multivariable statistical methods.
resultsOverall, 54.1% of respondents reported experiencing suicidal thoughts across their lifetime, with 29.6% having made a suicide plan, and 10.1% making at least one suicide attempt. Twelve-month prevalence of these outcomes was 37.4% (thoughts), 29.5% (plan), and 2.9% (attempt), respectively, and 12-month persistence among lifetime cases for these outcomes ranged from two-thirds for ideation to one-quarter for attempts. Non-heterosexual orientation and experiences of Major Depressive Disorder, Bipolar Disorder, or Post-Traumatic Stress Disorder were associated with greater likelihood of suicide-related outcomes.
conclusionsSuicide-related outcomes are highly prevalent and persistent among first-year university students in New Zealand. Our findings demonstrate that specific demographic characteristics and experiences of mental disorder are associated with greater likelihood of suicide-related outcomes and highlight the need for effective initiatives to support first-year university students.
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