Incidence and course of adolescent deliberate self-harm in Victoria, Australia, and Washington State

Heerde, Jessica A., Toumbourou, John W., Hemphill, Sheryl A., Herrenkohl, Todd I., Patton, George C. and Catalano, Richard F. 2015, Incidence and course of adolescent deliberate self-harm in Victoria, Australia, and Washington State, Journal of adolescent health, vol. 57, no. 5, pp. 537-544, doi: 10.1016/j.jadohealth.2015.07.017.

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Title Incidence and course of adolescent deliberate self-harm in Victoria, Australia, and Washington State
Author(s) Heerde, Jessica A.
Toumbourou, John W.ORCID iD for Toumbourou, John W.
Hemphill, Sheryl A.
Herrenkohl, Todd I.
Patton, George C.
Catalano, Richard F.
Journal name Journal of adolescent health
Volume number 57
Issue number 5
Start page 537
End page 544
Total pages 8
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-11
ISSN 1879-1972
Keyword(s) Adolescence
Deliberate self-harm
Protective factors
Risk factors
Social Sciences
Science & Technology
Life Sciences & Biomedicine
Psychology, Developmental
Public, Environmental & Occupational Health
Summary PURPOSE: There have been few longitudinal studies of deliberate self-harm (DSH) in adolescents. This cross-national longitudinal study outlines risk and protective factors for DSH incidence and persistence. METHODS: Seventh and ninth grade students (average ages 13 and 15 years) were recruited as state-representative cohorts, surveyed, and then followed up 12 months later (N = 3,876), using the same methods in Washington State and Victoria, Australia. The retention rate was 99% in both states at follow-up. A range of risk and protective factors for DSH were examined using multivariate analyses. RESULTS: The prevalence of DSH in the past year was 1.53% in Grade 7 and .91% in Grade 9 for males and 4.12% and 1.34% for Grade 7 and Grade 9 females, respectively, with similar rates across states. In multivariate analyses, incident DSH was lower in Washington State (odds ratio [OR] = .67; 95% confidence interval [CI] = .45-1.00) relative to Victoria 12 months later. Risk factors for incident DSH included being female (OR = 1.93; CI = 1.35-2.76), high depressive symptoms (OR = 3.52; CI = 2.37-5.21), antisocial behavior (OR = 2.42; CI = 1.46-4.00), and lifetime (OR = 1.85; CI = 1.11-3.08) and past month (OR = 2.70; CI = 1.57-4.64) alcohol use relative to never using alcohol. CONCLUSIONS: Much self-harm in adolescents resolves over the course of 12 months. Young people who self-harm have high rates of other health risk behaviors associated with family and peer risks that may all be targets for preventive intervention.
Language eng
DOI 10.1016/j.jadohealth.2015.07.017
Field of Research 170102 Developmental Psychology and Ageing
170106 Health, Clinical and Counselling Psychology
111716 Preventive Medicine
11 Medical And Health Sciences
13 Education
17 Psychology And Cognitive Sciences
Socio Economic Objective 970117 Expanding Knowledge in Psychology and Cognitive Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID NHMRC 491241
NHMRC 594793
NHMRC 1047902
ARC DP109574
Copyright notice ©2015, Elsevier
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Document type: Journal Article
Collections: Faculty of Health
School of Psychology
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