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Table 4 Final fitted model for preeclampsia in multiparous women who had planned their pregnancies

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   1.00  
         ≥5 5.26 2.39-11.57 4.49 1.12-17.99
BMI (kg/m2) 1.19 1.11-1.28 1.20 1.04-1.38
Time to pregnancy     
      <12 months 1.00   1.00  
      ≥12 months 5.40 1.78-16.38 5.99 1.39-25.83
Method of contraception     
      Non barrier 1.00   1.00  
        Barrier 1.70 0.81-3.56 3.63 0.90-14.67
Household monthly     
expenditure (AMD)     
       ≤100,000 1.00   1.00  
       >100,000 5.26 2.39-11.57 4.49 1.12-17.99
  1. AMD, Armenian Dram; BMI, Body Mass Index; IBI, Interbirth Interval.
  2. *Adjusted for all variables in the table.