High utilizers of emergency health services in a population-based cohort of homeless adults

C. Chambers, S. Chiu, M. Katic, A. Kiss, D.A. Redelmeier, W. Levinson and S.W. Hwang

American Journal of Public Health, 2013, vol. 103, issue S2, S302-S310

Abstract: Objectives. We identified predictors of emergency department (ED) use among a population-based prospective cohort of homeless adults in Toronto, Ontario. Methods. We assessed ED visit rates using administrative data from the Institute for Clinical Evaluative Sciences (2005-2009). We then used logistic regression to identify predictors of ED use. Frequent users were defined as participants with rates in the top decile (≥ 4.7 visits per person-year). Results. Among 1165 homeless adults, 892 (77%) had at least 1 ED visit during the study. The average rate of ED visits was 2.0 visits per person-year, whereas frequent users averaged 12.1 visits per person-year. Frequent users accounted for 10% of the sample but contributed more than 60% of visits. Predictors of frequent use in adjusted analyses included birth in Canada, higher monthly income, lower health status, perceived unmet mental health needs, and perceived external health locus of control from powerful others; being accompanied by a partner or dependent children had a protective effect on frequent use. Conclusions. Among homeless adults with universal health insurance, a small subgroup accounted for the majority of visits to emergency services. Frequent use was driven by multiple predisposing, enabling, and need factors.

Keywords: adult; age; Canada; emergency health service; epidemiology; female; health status; homelessness; human; male; mental health; middle aged; risk factor; sex difference; social support; socioeconomics; statistics and numerical data; utilization; article; Canada; emergency health service; homelessness; statistics; utilization review, Adult; Age Factors; Emergency Service, Hospital; Female; Health Status; Homeless Persons; Humans; Male; Mental Health; Middle Aged; Ontario; Risk Factors; Sex Factors; Social Support; Socioeconomic Factors, Adult; Age Factors; Emergency Service, Hospital; Female; Health Status; Homeless Persons; Humans; Male; Mental Health; Middle Aged; Ontario; Risk Factors; Sex Factors; Social Support; Socioeconomic Factors (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:10.2105/ajph.2013.301397_5

DOI: 10.2105/AJPH.2013.301397

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