Table 1 Clinical characteristics for cases and controls

Age (years)

24.30 (7.078)^a

24.39 (7.349)^a

.92^b

Weeks of pregnancy

37.49 (3.96)^a

35.82 (3.97)^a

0.001^b

Systolic BP (mm Hg)

111.74 (10.82)^a

158.36 (16.41)^a

<0.0001^b

Diastolic BP (mm Hg)

70.39 (9.97)^a

101.21 (10.3)^a

<0.0001^b

Number of pregnancies

2.26 (1.40)^a

2.34 (2.49)^a

0.718^b

Body mass index

24.61 (5.22)^a

27.63 (5.82)^a

<0.0001^b

PE antecedent

13/202

14/104

0.045^c