Table 2.

Baseline characteristics according to baseline levels of fasting serum glucose

VariableFasting serum glucose (mg/dL)
<90
90-125
126+
P*
nMean (SD)nMean (SD)NMean (SD)
Age (y)308,38055.5 (8.1)282,52855.9 (8.1)40,26457.3 (8.0)<0.0001
BMI (kg/m2)308,38023.4 (2.8)282,52823.7 (2.9)40,26424.0 (2.9)<0.0001
Total cholesterol (mg/dL)307,928195.3 (37.7)282,525201.1 (39.4)40,260209.7 (47.9)<0.0001
SBP (mm Hg)308,304125.7 (18.7)282,443128.9 (19.5)40,251132.8 (20.4)<0.0001
ALT307,90822.1 (14.8)282,49724.1 (16.8)40,25928.1 (23.9)<0.0001


%

%

%

Current smoking308,38033.1282,52834.140,26437.0<0.0001
Alcohol drinking308,38043.2282,52849.040,26451.0<0.0001
Family history of diabetes245,2984.4223,7595.232,09714.6<0.0001
  • * Tested using ANOVA for continuous variables and χ2 test for categorical variables.