Variable

mean (SD)

Severe insulin resistance

N = 448

Non-severe insulin resistance

N = 1653

P values

OR^* (95% CI)

Mean systolic blood pressure

125.32 (19.5)

120.9 (20.06)

<0.001; 1.11 (1.06, 1.17)

Mean diastolic blood pressure

68.51 (13.6)

66.14 (13.07)

0.0009; 1.15 (1.06, 1.26)

Body mass index (kg/m²)

35.48 (7.48)

27.71 (5.83)

<0.001; 1.19 (1.16, 1.21)

Weight (kg)

91.40 (21.39)

71.61 (16.45)

<0.001; 1.69 (1.59, 1.80)

Arm circumference (cm)

36.46 (5.59)

31.22 (4.56)

<0.001; 1.22 (1.19, 1.25)

Waist circumference (cm)

111.54 (15.27)

93.61 (13.3)

<0.001; 1.09 (1.08, 1.10)

Triceps skinfold (mm)

27.12 (6.92)

23.27 (7.09)

<0.001; 1.08 (1.06, 1.10)

Subscapular skinfold (mm)

27.71 (7.5)

21.76 (8.34)

<0.001; 1.09 (1.08, 1.11)

Income > $35,000

148 (37.4%)

811 (53.8%)

<0.001; 0.51 (0.41, 0.64)

Macrosomic infant delivery

95 (22.2%)

274 (17.8%)

0.038; 1.32 (1.02, 1.72)

College education

166 (37.2%)

783 (47.5%)

<0.001; 0.65 (0.53, 0.81)

Non-Hispanic Whites

171 (38.2%)

816 (49.4%)

<0.001; 0.63 (0.51, 0.78)

African American

98 (21.9%)

281 (17%)

0.017; 1.37 (1.06, 1.77)

Hispanics

166 (37.1%)

496 (30%)

0.004; 1.37 (1.10, 1.71)

Gestational diabetes

41 (9.2%)

92 (5.6%)

0.008; 1.71 (1.16, 2.51)