title: Association of restaurant smoking ban and the incidence of acute myocardial infarction in Finland.
abstract: OBJECTIVE
  To describe the changes in nationwide acute myocardial infarction (AMI) incidence following the implementation of a law banning smoking indoors in restaurants on 1 June 2007.
  
  
  METHODS
  Retrospective registry study of all hospitalisations for AMI in Finland. All 34,887 hospitalisations for AMI between 1 June 2005 and 31 May 2009 were identified from the Care Register for Health Care (CRHC) and statistics for tobacco consumption were obtained from the National Institute for Health and Welfare. Comorbidities for individual hospitalisations were searched from the CRHC.
  
  
  RESULTS
  The incidence rate of AMI was reduced by 6.3% (95% CI 4.1% to 8.6%; p<0.0001) in the latter half of the study period following the smoking ban when adjusted for age, gender and overall population prevalence of smoking. Short-term incidence of AMI (6-month prior vs 6 months after the smoking ban) was also reduced (4.5%, 95% CI 0.2% to 9.0%; p=0.0399) and was largest in the working middle-aged group (40-50 years) but observed also in the oldest age group (>70 years). The incidence rates declined similarly for men and women.
  
  
  CONCLUSIONS
  Banning indoor tobacco smoking in restaurants was associated with a mild additional reduction in AMI incidence on a nationwide level in Finland.
authors.affiliation: Division of Clinical Neurosciences, Turku University Hospital, Turku, Finland Department of Neurology, University of Turku, Turku, Finland Neurology Clinic, North Karelia Central Hospital, Joensuu, Finland.
authors.forename: Jussi Olli Tapani
authors.initials: JO
authors.lastname: Sipilä
authors.affiliation: Heart Center, Turku University Hospital, Turku, Finland Department of Surgery, Faculty of Medicine, University of Turku, Turku, Finland.
authors.forename: Jarmo Mikael
authors.initials: JM
authors.lastname: Gunn
authors.affiliation: Department of Biostatistics, Faculty of Medicine, University of Turku, Turku, Finland.
authors.forename: Tommi
authors.initials: T
authors.lastname: Kauko
authors.affiliation: Department of Public Health, Faculty of Medicine, University of Turku, Turku, Finland.
authors.forename: Päivi
authors.initials: P
authors.lastname: Rautava
authors.affiliation: Heart Center, Turku University Hospital, Turku, Finland Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland.
authors.forename: Ville
authors.initials: V
authors.lastname: Kytö
mesh_terms: D017677:Age Distribution; D000368:Aged; D015897:Comorbidity; D005260:Female; D005387:Finland / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000453:epidemiology*; D012042:Registries; D012147:Restaurants; D012189:Retrospective Studies; D012307:Risk Factors; D017678:Sex Distribution; D012907:Smoking / Q000331:legislation & jurisprudence*
keywords: PUBLIC HEALTH
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