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Tob Control 24:489-496 doi:10.1136/tobaccocontrol-2013-051483
  • Research paper

Economic evaluation of a hospital-initiated intervention for smokers with chronic disease, in Ontario, Canada

Open Access
  1. Robert D Reid1
  1. 1Division of Prevention and Rehabilitation, University of Ottawa Heart Institute, Ottawa, Ontario, Canada
  2. 2Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Ontario, Canada
  3. 3Clinical Epidemiology, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
  4. 4Program in Health Services and Systems Research, Duke-NUS Graduate Medical School, Singapore, Singapore
  5. 5Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
  1. Correspondence to Kerri-Anne Mullen, Division of Prevention and Rehabilitation, University of Ottawa Heart Institute, Room H2353, 40 Ruskin Street, Ottawa, Ontario, Canada K1Y4W7; kmullen{at}ottawaheart.ca
  • Received 5 December 2013
  • Revised 21 May 2014
  • Accepted 23 May 2014
  • Published Online First 16 June 2014

Abstract

Introduction Cigarette smoking causes many chronic diseases that are costly and result in frequent hospitalisation. Hospital-initiated smoking cessation interventions increase the likelihood that patients will become smoke-free. We modelled the cost-effectiveness of the Ottawa Model for Smoking Cessation (OMSC), an intervention that includes in-hospital counselling, pharmacotherapy and posthospital follow-up, compared to usual care among smokers hospitalised with acute myocardial infarction (AMI), unstable angina (UA), heart failure (HF), and chronic obstructive pulmonary disease (COPD).

Methods We completed a cost-effectiveness analysis based on a decision-analytic model to assess smokers hospitalised in Ontario, Canada for AMI, UA, HF, and COPD, their risk of continuing to smoke and the effects of quitting on re-hospitalisation and mortality over a 1-year period. We calculated short-term and long-term cost-effectiveness ratios. Our primary outcome was 1-year cost per quality-adjusted life year (QALY) gained.

Results From the hospital payer's perspective, delivery of the OMSC can be considered cost effective with 1-year cost per QALY gained of $C1386, and lifetime cost per QALY gained of $C68. In the first year, we calculated that provision of the OMSC to 15 326 smokers would generate 4689 quitters, and would prevent 116 rehospitalisations, 923 hospital days, and 119 deaths. Results were robust within numerous sensitivity analyses.

Discussion The OMSC appears to be cost-effective from the hospital payer perspective. Important consideration is the relatively low intervention cost compared to the reduction in costs related to readmissions for illnesses associated with continued smoking.

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 3.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/3.0/

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