Table 3B

Determinants of high confidence in precise recognition of heart attack

VariablesUnivariate modelsMultivariate models
Model 1Model 2
OR 95% CIP valueOR 95% CIP valueOR 95% CIP value
Age0.99 (0.97 to 1.02)0.570.99 (0.96 to 1.03)0.690.99 (0.96 to 1.02)0.61
Male0.72 (0.32 to 1.59)0.410.6 (0.24 to 1.52)0.280.63 (0.25 to 1.59)0.33
Obesity (BMI >25 kg/m2)1.20 (0.68 to 2.13)0.531.5 (0.78 to 2.88)0.231.35 (0.71 to 2.56)0.36
High school graduation or less1.12 (0.63 to 1.98)0.700.68 (0.36 to 1.31)0.250.82 (0.43 to 1.54)0.53
Hypertension1.54 (0.73 to 3.25)0.251.37 (0.61 to 3.11)0.451.36 (0.60 to 3.06)0.46
Dyslipidaemia1.99 (0.96 to 4.12)0.071.46 (0.66 to 3.19)0.351.43 (0.65 to 3.15)0.38
Diabetes mellitus0.74 (0.41 to 1.33)0.310.63 (0.33 to 1.20)0.160.58 (0.31 to 1.11)0.10
Previous MI2.10 (1.14 to 3.83)0.022.51 (1.29 to 4.91)0.007
Previous PCI2.04 (1.15 to 3.62)0.022.04 (1.09 to 3.80)0.03
  • Standard covariates=age, male sex, obesity, education level, coronary risk factors (hypertension, dyslipidaemia, diabetes mellitus).

  • Model 1=standard covariates+previous MI.

  • Model 2=standard covariates+previous PCI.

  • BMI, body mass index; MI, myocardial infarction; PCI, percutaneous coronary intervention.