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Table 2 Association between interbirth interval and preeclampsia status with and without adjustment for confounders

From: Interbirth interval and history of previous preeclampsia: a case–control study among multiparous women

Variable

Univariate analysis

Multivariate analysis

 

Unadjusted OR

95% CI

Adjusted OR*

95% CI

IBI (years)

    

        <5

1.00

   

        ≥5

5.26

2.39-11.57

2.90

1.07-7.86

Age at delivery (years)

1.14

1.06-1.24

1.03

0.93-1.14

BMI (kg/m2)

1.26

1.14-1.40

1.23

1.11-1.37

Renal disease

    

        No

1.00

 

1.00

 

        Yes

5.81

1.47-22.87

0.98

0.16-5.96

  1. BMI, Body Mass Index; IBI, Interbirth Interval.
  2. *Adjusted for all variables in Table 2.