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Homelessness and police-recorded crime victimisation: a nationwide, register-based cohort study

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BACKGROUND: Homelessness is associated with crime victimisation, which is a leading cause of death, exacerbates health problems, and increases the risk of violence. We aimed to study the risk of police-recorded crime victimisation in individuals with experiences of homelessness compared with the general population.

METHODS: We did a nationwide, register-based cohort study of people aged 15 years or older, who were alive in 2001 and born in Denmark between 1980 and 2001. The cohort was constructed using the Danish Civil Registration System, with data linked across other registries (including the Danish Homeless Register, Danish Psychiatric Central Research Register, and the Danish Central Crime Register) by use of personal identification numbers. The exposure, experience of homelessness, was defined as at least one contact with a homeless shelter. The outcome was the date of first police-recorded crime victimisation. We calculated incidence rates per 1000 person-years, incidence rate ratios (IRRs), and cumulative probability of any crime victimisation and of violent crime victimisation. Psychiatric disorders, socioeconomic markers, and history of criminal offences were included as confounders.

FINDINGS: Within the study period (Jan 1, 2001, to Dec 31, 2015), 1 182 749 individuals (9 831 776 person-years) aged 15-35 years were included, of which 184 813 (15·6%) had at least one crime victimisation incident (73 999 [40%] of which were violent victimisations). 4286 individuals (22 240 person-years) had at least one homeless shelter contact. Relative to the general population, and adjusting for age and calendar year, individuals with experience of homelessness had an increased risk of any crime victimisation (IRR 2·7 [95% CI 2·4-3·0]) in females and 2·3 [2·1-2·5] in males), and especially of violent crime victimisation (7·2 [6·3-8·2] in females and 3·6 [3·2-4·0] in males). This increased risk remained significant after further adjustments for potential confounders. People with both a psychiatric diagnosis and experience of homelessness had the highest risk of violent victimisation (IRR 10·1 [95% CI 8·6-11·9] in females and 4·3 [3·8-4·9] in males), while people with no psychiatric diagnosis or experience of homelessness (the reference group) had the lowest risk. In the 5 years after an individual's first homeless shelter contact, the cumulative probabilities of any crime victimisation were 23% (95% CI 21-26) in females and 16% (15-18) in males, which were substantially higher than those of the general population.

INTERPRETATION: Homeless populations are at substantially increased risk of crime victimisation, highlighting the need for strategic and targeted approaches to prevent homelessness and to help people out of homelessness. Improvements in multiagency working (such as between homeless shelters, health-care services, substance misuse services, and police forces) might be important to reduce the risk of victimisation in marginalised populations, such as those with complex psychiatric or social problems, with experience of homelessness.

FUNDING: Lundbeck Foundation.

TidsskriftThe Lancet Public Health
Udgave nummer6
Sider (fra-til)e333-e341
StatusUdgivet - jun. 2020

Bibliografisk note

Copyright © 2020 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY-NC-ND 4.0 license. Published by Elsevier Ltd.. All rights reserved.

ID: 61717608