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Research

Association between household food insecurity and annual health care costs

Valerie Tarasuk, Joyce Cheng, Claire de Oliveira, Naomi Dachner, Craig Gundersen and Paul Kurdyak
CMAJ October 06, 2015 187 (14) E429-E436; DOI: https://doi.org/10.1503/cmaj.150234
Valerie Tarasuk
Department of Nutritional Sciences, University of Toronto (Tarasuk, Dachner); Centre for Addiction and Mental Health (Cheng, de Oliveira, Kurdyak); Institute for Clinical and Evaluative Sciences (Cheng, Kurdyak); Institute for Health Policy, Management and Evaluation, University of Toronto (de Oliveira, Kurdyak), Toronto, Ont.; Department of Agricultural and Consumer Economics, University of Illinois (Gundersen), Urbana, Ill.
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  • For correspondence: valerie.tarasuk@utoronto.ca
Joyce Cheng
Department of Nutritional Sciences, University of Toronto (Tarasuk, Dachner); Centre for Addiction and Mental Health (Cheng, de Oliveira, Kurdyak); Institute for Clinical and Evaluative Sciences (Cheng, Kurdyak); Institute for Health Policy, Management and Evaluation, University of Toronto (de Oliveira, Kurdyak), Toronto, Ont.; Department of Agricultural and Consumer Economics, University of Illinois (Gundersen), Urbana, Ill.
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Claire de Oliveira
Department of Nutritional Sciences, University of Toronto (Tarasuk, Dachner); Centre for Addiction and Mental Health (Cheng, de Oliveira, Kurdyak); Institute for Clinical and Evaluative Sciences (Cheng, Kurdyak); Institute for Health Policy, Management and Evaluation, University of Toronto (de Oliveira, Kurdyak), Toronto, Ont.; Department of Agricultural and Consumer Economics, University of Illinois (Gundersen), Urbana, Ill.
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Naomi Dachner
Department of Nutritional Sciences, University of Toronto (Tarasuk, Dachner); Centre for Addiction and Mental Health (Cheng, de Oliveira, Kurdyak); Institute for Clinical and Evaluative Sciences (Cheng, Kurdyak); Institute for Health Policy, Management and Evaluation, University of Toronto (de Oliveira, Kurdyak), Toronto, Ont.; Department of Agricultural and Consumer Economics, University of Illinois (Gundersen), Urbana, Ill.
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Craig Gundersen
Department of Nutritional Sciences, University of Toronto (Tarasuk, Dachner); Centre for Addiction and Mental Health (Cheng, de Oliveira, Kurdyak); Institute for Clinical and Evaluative Sciences (Cheng, Kurdyak); Institute for Health Policy, Management and Evaluation, University of Toronto (de Oliveira, Kurdyak), Toronto, Ont.; Department of Agricultural and Consumer Economics, University of Illinois (Gundersen), Urbana, Ill.
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Paul Kurdyak
Department of Nutritional Sciences, University of Toronto (Tarasuk, Dachner); Centre for Addiction and Mental Health (Cheng, de Oliveira, Kurdyak); Institute for Clinical and Evaluative Sciences (Cheng, Kurdyak); Institute for Health Policy, Management and Evaluation, University of Toronto (de Oliveira, Kurdyak), Toronto, Ont.; Department of Agricultural and Consumer Economics, University of Illinois (Gundersen), Urbana, Ill.
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Abstract

Background: Household food insecurity, a measure of income-related problems of food access, is growing in Canada and is tightly linked to poorer health status. We examined the association between household food insecurity status and annual health care costs.

Methods: We obtained data for 67 033 people aged 18–64 years in Ontario who participated in the Canadian Community Health Survey in 2005, 2007/08 or 2009/10 to assess their household food insecurity status in the 12 months before the survey interview. We linked these data with administrative health care data to determine individuals’ direct health care costs during the same 12-month period.

Results: Total health care costs and mean costs for inpatient hospital care, emergency department visits, physician services, same-day surgeries, home care services and prescription drugs covered by the Ontario Drug Benefit Program rose systematically with increasing severity of household food insecurity. Compared with total annual health care costs in food-secure households, adjusted annual costs were 16% ($235) higher in households with marginal food insecurity (95% confidence interval [CI] 10%–23% [$141–$334]), 32% ($455) higher in households with moderate food insecurity (95% CI 25%–39% [$361–$553]) and 76% ($1092) higher in households with severe food insecurity (95% CI 65%–88% [$934–$1260]). When costs of prescription drugs covered by the Ontario Drug Benefit Program were included, the adjusted annual costs were 23% higher in households with marginal food insecurity (95% CI 16%–31%), 49% higher in those with moderate food insecurity (95% CI 41%–57%) and 121% higher in those with severe food insecurity (95% CI 107%–136%).

Interpretation: Household food insecurity was a robust predictor of health care utilization and costs incurred by working-age adults, independent of other social determinants of health. Policy interventions at the provincial or federal level designed to reduce household food insecurity could offset considerable public expenditures in health care.

  • Accepted June 26, 2015.
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Canadian Medical Association Journal: 187 (14)
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Association between household food insecurity and annual health care costs
Valerie Tarasuk, Joyce Cheng, Claire de Oliveira, Naomi Dachner, Craig Gundersen, Paul Kurdyak
CMAJ Oct 2015, 187 (14) E429-E436; DOI: 10.1503/cmaj.150234

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Association between household food insecurity and annual health care costs
Valerie Tarasuk, Joyce Cheng, Claire de Oliveira, Naomi Dachner, Craig Gundersen, Paul Kurdyak
CMAJ Oct 2015, 187 (14) E429-E436; DOI: 10.1503/cmaj.150234
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