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Table 5 Bivariable and multivariable analysis on determinants of pre-eclampsia women attending public health hospitals in Omo District for antenatal and delivery services, Southern Ethiopia, 2018 (n = 519)

From: Family history of chronic illness, preterm gestational age and smoking exposure before pregnancy increases the probability of preeclampsia in Omo district in southern Ethiopia: a case-control study

Variable

Outcome variable

COR-95% Confidence Interval

AOR-95% Confidence Interval

P-value

Pre-eclampsia

Controls

Family History of hypertension

 No family history®

126(75.4%)

293(83.3%)

1:00

1:00

–

 1st degree relatives history

19(11.4%)

23(6.5%)

1.92(1.01–3.65)

2.11(1.06–4.21)

0.03

 2nd degree relatives history

22(13.2%)

36(10.2%)

1.42(0.80–2.51)

1.42(0.78–2.58)

0.26

Personel History of Preeclampsia

 Yes

24(14.4%)

34(9.7%)

1.6(0.89–2.74)

0.59(0.32–1.09)

0.09

 No®

143(85.6%)

318(90.3%)

1:00

1:00

 

Family History of Diabetes Mellitus

 Yes

12(7.2%)

35(9.90%)

0.70(0.35–1.13)

2.35(1.07–5.20)

0.03

 No®

155(92.8%)

317(90.1%)

1:00

1:00

 

Marital Status

 Married

161(96.4%)

325(92.3%)

2.23(0.90–5.51)

2.28(0.90–5.77)

0.08

 Unmarried®

6(3.6%)

27(7.7%)

1:00

1:00

 

Gestational age

 Less than 37 weeks

115(68.9%)

201(57.3%)

1.7(1.13–2.45)

1.56(1.05–2.32)

0.03

 37 and Above weeks®

52(31.1%)

151(42.7%)

1:00

1:00

–

History of Smoking before pregnancy

 No®

96(57.5%)

216(61.4%)

 

1:00

–

 Passive smoker

64(38.3%)

132(37.5%)

1.09(0.74–1.60)

1.14(0.77–1.67)

0.51

 Active smoker

7(4.3%)

4(1.14%)

3.94(1.13–13.8)

4.16(1.12–15.4)

0.03

  1. Note:®-reference