Healthcare Use for Violent Injury After Intimate Partner Violence Identified Through the Justice System: A Data Linkage Study

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Marcelo L Urquia
Marcelo Nesca
Randy Walld
Wendy Au
Lorna Turnbull
Marni Brownell
Douglas Brownridge

Abstract

Introduction
Routine health care information systems only capture a portion of violence against women because some victimized women may not seek health care and some events may not require medical attention. Population-based estimates of the risk of violent injury (VI) among women with a history of intimate partner victimization (IPV) are lacking.


Objectives and Approach
To determine the risk of violent injury following IPV among women living in Manitoba, Canada, 2004-2016. Linked administrative justice, healthcare, and social databases were used. Exposure began after a woman was first involved with the Manitoba Justice system as a victim of IPV, assessed through provincial prosecution and disposition records. IPV victims (n= 20,469) were matched to three non-victims (n= 61,407) on age, relationship status and place of residence at the date of the IPV incident. The main outcomes were first health care use for violent injury and violent death. Outcomes were assessed through emergency department, hospital and vital statistics records. Conditional Cox Regression was used to obtain Hazard Ratios with 95% confidence intervals (CI).


Results
The crude risk of VI was 8.5 per 1000 women among non-victims and 55.8 among victims of IPV. Compared to non-victims, IPV victims were 3.8 [95% confidence interval (CI): 3.4, 4.3] times more likely to suffer IIIO and 4.5 [95% CI: 2.3, 9.0] times to have a violent death, after adjustment. Victims had approximately half the risk of VI if the accused is on probation.


Conclusion / Implications
Justice System-identified victims of IPV are at higher risk of assault and violent death than women not exposed to IPV. Justice involvement represents an opportunity for prevention of violent injury and homicide among IPV victims.

Article Details

How to Cite
Urquia, M. L., Nesca, M., Walld, R., Au, W., Turnbull, L., Brownell, M. and Brownridge, D. (2020) “Healthcare Use for Violent Injury After Intimate Partner Violence Identified Through the Justice System: A Data Linkage Study”, International Journal of Population Data Science, 5(5). doi: 10.23889/ijpds.v5i5.1562.

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