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J Paediatr Child Health. 2010 Nov;46(11):686-90. doi: 10.1111/j.1440-1754.2010.01818.x. Epub 2010 Aug 25.

Interpersonal violence hospitalisations for adolescents: a population-based study.

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School of Public Health, Curtin Health Innovation Research Institute, Curtin University of Technology, Perth, Western Australia, Australia.



To investigate the incidence and nature of interpersonal violence hospitalisations for victims aged 11-18 years and to identify subgroups at risk of repeat hospital admissions.


A population-based, retrospective study of interpersonal violence from 1990 to 2004 was undertaken, using linked hospital morbidity and mental health records for adolescents in Western Australia.


A total of 3607 adolescents incurred 4094 violence hospitalisations during the study period. Of this cohort, 2992 (83%) were between 15 and 18 years of age. Younger victims aged 11-14 years with a previous mental illness admission were at increased risk of a subsequent hospitalisation for violence when compared to those without (hazard ratio (HR) 2.81, 95% confidence interval (CI) 1.83-4.31). Adolescents aged 15-18 years were at increased risk to incur a second violence episode if they were female (HR 1.46, 95% CI 1.23-1.75), Indigenous (HR 1.83, 95% CI 1.51-2.22), living in rural (HR 1.60, 95% CI 1.26-2.04) or remote areas (HR 1.96, 95% CI 1.56-2.47) and had a previous mental illness admission (HR 1.56, 95% CI 1.30-1.86).


The identification of victim subgroups at high risk of repeat hospitalisations is important for preventing interpersonal violence. Adolescents with a mental illness should be specifically targeted for attention.

[Indexed for MEDLINE]

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