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. 2014 Nov;23(6):471-2.
doi: 10.1136/tobaccocontrol-2012-050954. Epub 2013 May 24.

Hospital admissions for acute myocardial infarction before and after implementation of a comprehensive smoke-free policy in Uruguay: experience through 2010

Ernesto Marcelo Sebrié  1 , Edgardo Sandoya  2 , Eduardo Bianco  2 , Andrew Hyland  1 , K Michael Cummings  3 , Stanton A Glantz  4
Affiliations

Hospital admissions for acute myocardial infarction before and after implementation of a comprehensive smoke-free policy in Uruguay: experience through 2010

Ernesto Marcelo Sebrié et al. Tob Control. 2014 Nov.

Abstract

Background: Comprehensive smoke-free laws have been followed by drops in hospitalisations for acute myocardial infarction (AMI), including in a study with 2 years follow-up for such a law in Uruguay.

Methods: Multiple linear and negative binomial regressions for AMI admissions (ICD-10 code 121) from 37 hospitals for 2 years before and 4 years after Uruguay implemented a 100% nationwide smoke-free law.

Results: Based on 11 135 cases, there was a significant drop of -30.9 AMI admissions/month (95% CI -49.8 to -11.8, p=0.002) following implementation of the smoke-free law. The effect of the law did not increase or decrease over time following implementation (p=0.234). This drop represented a 17% drop in AMI admissions following the law (IRR=0.829, 95% CI 0.743 to 0.925, p=0.001).

Conclusions: Adding two more years of follow-up data confirmed that Uruguay's smoke-free law was followed by a substantial and sustained reduction in AMI hospitalisations.

Keywords: Low/Middle income country; Secondhand smoke; Surveillance and monitoring.

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Figures

Figure 1
Figure 1
The solid line shows the linear regression fit to the number of AMI hospitalisations per month in Uruguay from 1 March 2004 through 28 February 2010. The dashed line is the counterfactual of no law by setting the “law” dummy to zero in the regression equation. The vertical line shows the date of smoke-free law implementation (1 March 2006).
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References

    1. Sebrie EM, Sandoya E, Hyland A, et al. Hospital admissions for acute myocardial infarction before and after implementation of a comprehensive smoke-free policy in Uruguay. Tob Control. 2012 Feb 15; [epub ahead of print] - PMC - PubMed
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