Table 1 Demographic characteristics of study population

Age, years

32 ± 7

31 ± 6

0.7

Parity

0.8 ± 0.9

0.9 ± 1.0

0.9

Race

 Caucasian

9 (47%)

243 (60%)

x ² = 10.3,p = 0.04

 African-American

7 (37%)

51 (13%)

 Asian

0

20 (5%)

 Hispanic

3 (16%)

75 (18%)

 Unknown/Other

0

19 (5%)

Any smoking during pregnancy

3 (16%)

27 (7%)

0.3

First trimester BMI, kg/m²

29.5 ± 6.4

25.2 ± 5.1

p = 0.001

First trimester MAP, mmHg

84 ± 9

79 ± 7

p = 0.02

Second trimester MAP, mmHg

83 ± 11

77 ± 8

p = 0.006

Third trimester MAP, mmHg

85 ± 24

80 ± 8

p = 0.0008

EGA at delivery, weeks

38.5 ± 2.1

39.4 ± 1.2

p = 0.08