Table 2

Multivariate logistic model for the future risk of type 2 diabetes as the dependent variable and FPG, age, sex, BMI, ethnicity, family history for type 2 diabetes, blood pressure, and HDL cholesterol as the independent variables (model 1)

SAHSBotnia Study
OR (95%CI)POR (95% CI)P
Model 1
    Age1.03 (1.004–1.05)0.011.04 (1.02–1.06)0.001
    BMI1.1 (1.06–1.14)<0.00011.1 (1.04–1.18)0.002
Ethnicity0.53 (0.3–0.930.02NA
    Systolic blood pressure1.01 (0.997–1.03)NS1.02 (1.002–1.03)0.02
    FPG1.06 (1.04–1.08)<0.00011.05 (1.02–1.08)<0.0001
Model 2
    1-h plasma glucose1.03 (1.02–1.04)<0.00011.02 (1.01–1.03)<0.0001
    Age1.02 (0.99–1.04)NS1.04 (1.01–1.06)0.004
    BMI1.08 (1.04–1.13)<0.00011.07 (1.006–1.14)0.03
    Ethnicity0.46 (0.256–0.83)<0.01NA
    Systolic blood pressure1.0 (0.98–1.02)NS1.01 (0.99–1.03)NS
    FPG1.02 (0.99–1.05)NS1.02 (0.99–1.06)NS
Model 3
    2-h plasma glucose1.02 (1.004–1.03)0.0071.04 (0.8–1.35)NS
    Age1.02 (1.001–1.05)0.041.04 (1.015–1.06)0.001
    BMI1.09 (1.05–1.13)<0.00011.09 (1.02–1.16)0.01
    Ethnicity0.58 (0.316–0.985)0.04NA
    Systolic blood pressure1.0 (0.98–1.02)NS1.02 (1.01–1.03)0.02
    FPG1.05 (1.03–1.08)<0.00011.05 (1.02–1.08)0.001
  • Data are ORs (95% CI) for the variables that were significant predictors of type 2 diabetes risk. In model 2, the 1-h plasma glucose concentration during the OGTT was added to model 1, and in model 3, the 2-h plasma glucose concentration during the OGTT was added to the model.