Table 3

Results of the multivariate logistic regression model for predictors of acute myocardial infarction

VariableOR95% CIp Value
Evidence of recent influenza infection*1.070.53 to 2.190.849
Age†0.960.94 to 0.97<0.001
Sex (Male)3.832.54 to 5.78<0.001
Self-reported high cholesterol2.001.35 to 2.970.001
Current smoker2.111.25 to 3.560.005
Influenza vaccine in study year‡0.550.35 to 0.850.008
  • *Any evidence of influenza is either a fourfold rise in titre between baseline and convalescent sera or a baseline titre of ≥64 in an unvaccinated, GP-verified individual.

  • †Age as a continuous variable.

  • ‡Vaccination status validated by GP records.

  • GP, general practitioner.