Evidence map›Paper›PMID 41772538›Full record

ArticleBMC public health2026

Exploring the unique and cumulative effects of individual-level and social determinants on suicidal ideation trajectories during health and environmental crises - a longitudinal study of Australians.

Quincy J J Wong, Sandersan Onie, Lauren McGillivray, Alexander Burnett, Adam Theobald, Fiona Shand, Michelle Torok, Mark E Larsen

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Article in BMC public health, 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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1 · What the graph read from it

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Quincy J J WongSchool of Psychology, Western Sydney University, Sydney, Australia.
Sandersan Onie *Black Dog Institute, University of New South Wales, Sydney, 2031, Australia.
Lauren McGillivray *Black Dog Institute, University of New South Wales, Sydney, 2031, Australia.
Alexander BurnettBlack Dog Institute, University of New South Wales, Sydney, 2031, Australia.
Adam TheobaldBlack Dog Institute, University of New South Wales, Sydney, 2031, Australia.
Fiona ShandBlack Dog Institute, University of New South Wales, Sydney, 2031, Australia.
Michelle Torok *Black Dog Institute, University of New South Wales, Sydney, 2031, Australia. m.torok@unsw.edu.au.
Mark E Larsen *Black Dog Institute, University of New South Wales, Sydney, 2031, Australia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThere is a paucity of research that has examined how significant health, social, and environmental crises impact suicidal ideation, particularly where these events co-occur and have potentially synergistic adverse effects. The aim of this study was to identify the unique and cumulative contributions of mental health, social, and environmental risks on 12-month trajectories of suicidal ideation.

methodsA community-based sample of 1928 Australians (aged ≥ 16 years) completed online surveys measuring mental health, social, and environmental risk factors, and suicidal ideation at baseline, and the suicidal ideation measure was repeated at four follow-up timepoints. Growth mixture modelling identified suicidal ideation trajectories and multinomial logistic regression analyses examined associations between baseline risk variables and the trajectories.

resultsAnalyses showed five different trajectories of suicidal ideation (one stable low ideation trajectory; four vulnerable trajectories). A different set of risk factor variables predicted each vulnerable trajectory relative to the low trajectory. A cumulative risk index representing the combined effects of the mental health, social, and environmental risk factors also predicted each vulnerable trajectory relative to the low trajectory.

conclusionsWhile adversity resulting from exposure to health and environmental crises was associated with suicidal ideation, the heterogeneity in how patterns of mental health, social, and environmental factors related to trajectory classes suggests that people experience these events differently. A cumulative risk index may be a potentially useful indicator of risk.

Indexed as

Social Determinants of HealthSuicidal IdeationAdolescentAdultAustralasian PeopleAustraliaFemaleHumansLongitudinal StudiesMaleMiddle AgedRisk FactorsYoung AdultLongitudinal studyRisk factorsSocial determinantsSuicidal ideationSuicideTrajectory

Identifiers

PMID41772538
PMCPMC13063781

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