DOCUMENTS

papers

Impact of language barriers on complications and mortality among immigrants with diabetes: a population-based cohort study

Published: July 15, 2014
Category: Papers
Authors: Bell CM, Booth GL, Hollands S, Okrainec K
Country: Canada
Type: Population Health
Settings: Government, Hospital

Diabetes Care 38:189-196.

University Health Network, Toronto, ON, Canada; Mount Sinai Hospital, Toronto, ON, Canada; Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; St. Michael’s Hospital, Toronto, ON, Canada; University of Toronto, Toronto, ON, Canada.

OBJECTIVE: Our objective was to examine the effect of language barriers on the risk of acute and chronic complications of diabetes and on mortality among immigrants.

RESEARCH DESIGN AND METHODS: Linked health and immigration databases were used to identify 87,707 adults with diabetes who immigrated to Ontario, Canada, between 1985 and 2005. These individuals were included in our cohort and stratified by language ability at the time of their immigration application. Primary end points included: one or more emergency department visit or hospitalization for 1) hypo- or hyperglycemia, skin and soft tissue infection, or foot ulcer and 2) a cardiovascular event or death between April 1, 2005, and February 29, 2012.

RESULTS: Our cohort was followed up for a median of 6.9 person-years. Immigrants with language barriers were older (mean age, 49 ± 15 vs. 42 ± 13 years; P 0.001), more likely to have immigrated for family reunification (66% vs. 38%, P 0.001), had less education (secondary school or less and no education, 82% vs. 5%; P 0.001), and a higher use of health care (mean visits, 8.6 ± 12.1 vs. 7.8 ± 11.2; 0.001). Immigrants with language barriers were not found to have higher adjusted rates of diabetes complications (acute complications: hazard ratio [HR] 0.99, 95% CI 0.93-1.05; cardiovascular events or death: HR 0.95, 95% CI 0.91-0.99). Significant predictors included older age, being unmarried, living in a rural neighborhood, and having less education. Immigrants who were older (≥65 years) and who had arrived through family reunification had a lower risk of cardiovascular events or death (HR 0.88, 95% CI 0.81-0.96).

CONCLUSIONS: In a heterogeneous immigrant population with universal insurance, language barriers were not found to increase the risk of diabetes complications. However, their effect may vary based on age at time of landing, education level, marital status, and neighborhood of settlement.

PMID: 25028526

Canada,High-Impact Chronic Conditions,Population Markers,Predictive Risk Modeling,Acute Disease,Adult,Aged,80 and over,Diabetes Complications/mortality,Diabetes Mellitus,Type 1/mortality,Diabetes Mellitus, Type 2/mortality,Emergency Service,Hospital/utilization,Emigration and Immigration,Hospitalization/statistics & numerical data,Hyperglycemia/ethnology,Incidence,Middle Aged,Ontario/epidemiology,Patient Acceptance of Health Care/Ethnology,Patient Acceptance of Health Care/statistics & numerical data,Retrospective Studies,Risk Factors,Rural Health,Young Adult

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