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Prevalence and predictors of involuntary psychiatric hospital admissions in Ontario, Canada: a population-based linked administrative database study – 2018

Background Involuntary admissions to psychiatric hospitals are common; however, research examining the trends in prevalence over time and predictors is limited. Aims To examine trends in prevalence and risk factors for involuntary admissions in Ontario, Canada. Method We conducted an analysis of all mental health bed admissions from 2009 to 2013 and assessed the association between patient sociodemographics, service utilisation, pathway to care and severity characteristics for involuntary admissions using a modified Poisson regression. Results We found a high and increasing prevalence of involuntary admissions (70.7% in 2009, 77.1% in 2013, 74.1% overall). Individuals with police contact in the prior week (risk ratio (RR) = 1.20) and immigrants both experienced greater likelihood of being involuntarily admitted, regardless of control for other characteristics (RR = 1.07) (both P < 0.0001). Conclusions We identified numerous modifiable and non-modifiable risk factors for involuntary admissions. The prevalence of involuntary admissions was high, linearly increasing over time. Michael Lebenbaum, Maria Chiu, Simone Vigod and Paul Kurdyak BJPsych Open, Volume 4, Issue 2 March 2018 https://www.cambridge.org/core/journals/bjpsych-open/article/prevalence-and-predictors-of-involuntary-psychiatric-hospital-admissions-in-ontario-canada-a-populationbased-linked-administrative-database-study/00C34DC7D60909EA8A3F8997B4C54600