Table 1 Univariate analysis of sociodemographic and clinical variables among women with preeclampsia and controls at Saad Abuelela Hospital, Khartoum, Sudan, in 2020

Age, years^a

28.5 (7.0)

29.0 (7.0)

1.01 (0.96‒1.04)

Parity^a

3.0 (3.0)

2.0 (2.0)

1.11 (0.99‒1.24)

Body mass index, kg/m²

24.9 (3.2)

24.9 (3.3)

1.00 (0.91‒1.09)

Hemoglobin level, g/dl

10.5 (1.7)

10.5 (2.5)

0.89 (0.77‒1.02)

Education level

 Secondary or higher

133 (73.9)

140 (77.8)

Reference

 Less than secondary

47 (26.1)

40 (22.2)

1.25 (0.76‒2.04)

Employment status

 Housewife

168 (93.3)

167 (92.8)

Reference

 Employed

12 (6.7)

13 (7.2)

0.91(0.40‒2.06)

History of preeclampsia

 No

135 (75.0)

146 (81.1)

Reference

 Yes

45 (25.0)

34 (18.9)

1.43 (0.86‒2.36)

History of miscarriage

 No

140 (77.8)

112 (62.2)

Reference

 Yes

40 (22.2)

68 (37.8)

0.47 (0.29‒0.74)

Blood group

 Blood group type O

70 (38.9)

74 (41.1)

Reference

 Blood group type other than O

110 (61.1)

106 (58.9)

1.09 (0.71‒1. 67)

Gender of the newborn

 Female

104 (57.8)

97 (53.9)

Reference

 Male

76 (42.2)

83 (46.1)

1.14 (0.78‒1.73)