Table 1

Baseline characteristics by ACR quartiles

ACR quartiles
Overall (mg/g)≤3.7 mg/g3.7 to ≤5.5 mg/g5.5 to ≤9.7 mg/g>9.7 mg/gP
n3,188772818798800
Sex (% female)2,158 (68)453 (59)536 (66)595 (75)574 (72)<0.001
Age (years)50.6 ± 10.750.0 ± 10.650.3 ± 10.450.6 ± 10.551.6 ± 11.10.02
BMI (kg/m2)32.5 ± 8.531.8 ± 7.232.4 ± 7.132.3 ± 7.133.5 ± 7.2<0.001
Waist circumference (cm)103 ± 19102 ± 16103 ± 16103 ± 16106 ± 16<0.001
Fasting glucose (mg/dl)106 ± 11106 ± 9106 ± 9106 ± 9107 ± 90.12
120-min glucose (mg/dl)165 ± 24165 ± 20164 ± 20164 ± 20166 ± 200.10
A1C (%)5.98 ± 0.655.94 ± 0.555.99 ± 0.546.00 ± 0.546.00 ± 0.540.04
Fasting insulin (μU/ml)23.7 ± 2.122.1 ± 1.823.6 ± 1.823.8 ± 1.825.6 ± 1.8<0.001
Systolic blood pressure (mmHg)124 ± 19120 ± 16122 ± 16124 ± 16128 ± 16<0.001
Diastolic blood pressure (mmHg)79 ± 1377 ± 1178 ± 1079 ± 1081 ± 10<0.001
  • Data are n (%) for categories and means ± SD for continuous variables except for fasting insulin represented as geometric mean. All variables except female sex and age are adjusted for baseline age, sex, and race/ethnicity.