Cited by 105Suicide and Self-Harm StudiesHomicide, Infanticide, and Child AbuseInjury Epidemiology and Prevention

Are young female suicides increasing? A comparison of sex-specific rates and characteristics of youth suicides in Australia over 2004-2014

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Stefanac, Nina, Hetrick, Sarah, Hulbert, Carol, Spittal, Matthew J., Witt, Katrina, Robinson, Jo·2019·BMC Public Health

Abstract

BACKGROUND: Australian mortality statistics suggest that young female suicides have increased since 2004 in comparison to young males, a pattern documented across other Western high-income countries. This may indicate a need for more targeted and multifaceted youth suicide prevention efforts. However, sex-based time trends are yet to be tested empirically within a comprehensive Australian sample. The aim of this study was to examine changes over time in sex-based rates and characteristics of all suicides among young people in Australia (2004-2014). METHODS: National Coronial Information System and Australian Bureau of Statistics data provided annual suicide counts and rates for 10-24-year-olds in Australia (2004-2014), stratified by sex, age group, Indigenous status and methods. Negative binomial regressions estimated time trends in population-stratified rates, and multinomial logistic regressions estimated time trends by major suicide methods (i.e., hanging, drug poisoning). RESULTS: Between 2004 and 2014, 3709 young Australians aged 10-24 years died by suicide. Whilst, overall, youth suicide rates did not increase significantly in Australia between 2004 and 2014, there was a significant increase in suicide rates for females (incident rate ratio [IRR] 1.03, 95% confidence interval [CI] 1.01 to 1.06), but not males. Rates were consistently higher among Aboriginal/Torres Strait Islander youth, males, and in older (20-24-years) as compared to younger (15-19 years) age groups. Overall, the odds of using hanging as a method of suicide increased over time among both males and females, whilst the odds of using drug-poisoning did not change over this period. CONCLUSIONS: We showed that suicide rates among young females, but not young males, increased over the study period. Patterns were observed in the use of major suicide methods with hanging the most frequently used method among both sexes and more likely among younger and Aboriginal/Torres Strait Islander groups. Findings highlight the need to broaden current conceptualizations of youth suicide to one increasingly involving young females, and strengthen the case for a multifaceted prevention approach that capitalize on young females' greater help-seeking propensity.

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Authors
Stefanac, N., Hetrick, S., Hulbert, C., Spittal, M. J., Witt, K., & Robinson, J.
Affiliations
  • The University of Melbourne (AU)
  • University of Auckland (NZ)
  • Orygen (AU)
Corresponding author
Robinson, Jo
Venue
BMC Public Health
Published
2019-10-28
Volume
19
Issue
1
Pages
1389-1389
ISSN
1471-2458 (ISSN-L)
OpenAlex
W2982186017
Cited by
105
References
49
Citations by year
2026: 3 · 2025: 13 · 2024: 11 · 2023: 47 · 2022: 8 · 2021: 11 · 2020: 11 · 2018: 1
FWCI
8.75
Type
journal article
Language
en
Open access
Locations
  • BMC Public Health (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Minerva Access (University of Melbourne) (submittedVersion, cc-by)
  • ResearchSpace (University of Auckland) (submittedVersion, cc-by)
Funders
  • National Health and Medical Research Council
  • Auckland Medical Research Foundation
  • American Foundation for Suicide Prevention (PDF-0-145-16)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Suicide and Self-Harm Studies
  • Social Sciences › Sociology and Political Science › Homicide, Infanticide, and Child Abuse
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Injury Epidemiology and Prevention
Keywords
youth suicide, young women, sex differences in suicide, suicide rates, temporal trends, hanging, drug poisoning, suicide methods, Aboriginal and Torres Strait Islander youth, Indigenous status, suicide prevention, Australia
MeSH terms
Adolescent, Australia, Child, Female, Humans, Male, Retrospective Studies, Suicide, Age Distribution, Sex Distribution, Young Adult

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