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BMJ. 2004 Apr 24;328(7446):977-80. Epub 2004 Apr 5.

Reduced incidence of admissions for myocardial infarction associated with public smoking ban: before and after study.

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  • 1HealthCare Quality Performance Council, St Peter's Community Hospital, 2475 Broadway, Helena, Montana 59601, USA.

Abstract

OBJECTIVE:

To determine whether there was a change in hospital admissions for acute myocardial infarction while a local law banning smoking in public and in workplaces was in effect.

DESIGN:

Analysis of admissions from December 1997 through November 2003 using Poisson analysis.

SETTING:

Helena, Montana, a geographically isolated community with one hospital serving a population of 68 140.

PARTICIPANTS:

All patients admitted for acute myocardial infarction.

MAIN OUTCOME MEASURES:

Number of monthly admissions for acute myocardial infarction for people living in and outside Helena.

RESULTS:

During the six months the law was enforced the number of admissions fell significantly (- 16 admissions, 95% confidence interval - 31.7 to - 0.3), from an average of 40 admissions during the same months in the years before and after the law to a total of 24 admissions during the six months the law was effect. There was a non-significant increase of 5.6 (- 5.2 to 16.4) in the number of admissions from outside Helena during the same period, from 12.4 in the years before and after the law to 18 while the law was in effect.

CONCLUSIONS:

Laws to enforce smoke-free workplaces and public places may be associated with an effect on morbidity from heart disease.

Comment in

PMID:
15066887
[PubMed - indexed for MEDLINE]
PMCID:
PMC404491
Free PMC Article
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