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. 2019 Nov;140(5):477-489.
doi: 10.1111/acps.13082. Epub 2019 Aug 24.

Risk of homelessness after discharge from psychiatric wards in Denmark: a nationwide register-based cohort study

S F Nilsson  1   2 , T M Laursen  2   3 , C Hjorthøj  1   2   4 , M Nordentoft  1   2   5
Affiliations

Risk of homelessness after discharge from psychiatric wards in Denmark: a nationwide register-based cohort study

S F Nilsson et al. Acta Psychiatr Scand. 2019 Nov.

Abstract

Objective: To examine the absolute and relative risk of homelessness following discharge from psychiatric wards in Denmark.

Methods: A nationwide, register-based, cohort study including people aged 18+ years discharged from psychiatric wards in Denmark between 1 January 2001 and 31 December 2015. We analysed associations between psychiatric diagnoses and risk of homelessness using survival analysis.

Results: A total of 126 848 psychiatric in-patients were included accounting for 94 835 person-years. The incidence of homelessness one year following discharge was 28.18 (95% CI 26.69-29.75) and 9.27 (95% CI 8.45-10.16) per 1000 person-years at risk in men and women respectively. The one-year cumulative probability of first homelessness after discharge from psychiatric wards was 1.58% (95% CI 1.48-1.68) in males and 0.55% (95% CI 0.50-0.61) in females. Substance use disorders increased the risk of homelessness after discharge with adjusted incidence rate ratios of 6.60 (95% CI 5.19-8.40) (men) and 13.06 (95% CI 9.31-18.33) (women), compared with depressive disorders. Prior history of homelessness was an important predictor for homelessness following discharge.

Conclusions: The first year following discharge from psychiatric wards is a high-risk period of homelessness, especially when having a substance use disorder or a prior history of homeless shelter contact. Improved efforts to prevent homelessness are needed.

Keywords: epidemiology; homelessness; psychiatric discharge.

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