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Table 4 Multivariate analysis of perinatal mortality in obese compared with non-obese women

From: Neonatal outcomes in obese mothers: a population-based analysis

Obese vs. non obese-women

Crude OR (95%CI)

Adjusted OR (95%CI)

R2

  

Model 1

Model 2

Model 3

Model 3 with hospital effect

 

All births (n = 38675)

1.19

1.28

1.29

1.34

1.36

21.5%

(0.82-1.74)

(0.87-1.87)

(0.86-1.93)

(0.75-2.41)

(0.75-2.45)

Women in spontaneous labor (n = 22732)

1.86

1.90

1.83

2.10

NC

17.7%

(1.04-3.32)*

(1.06-3.42)*

(0.99-3.37)

(0.88-5.00)

Women with induction of labor (n = 12363)

0.85

0.92

1.13

1.20

NC

36.6%

(0.51-1.42)

(0.55-1.56)

(0.63-2.02)

(0.47-3.05)

Women with elective cesarean section (n = 3591)

0.49

0.57

0.43

0.49

NC

26.0%

 

(0.06-3.90)

(0.07-4.59)

(0.05-3.82)

(0.04-5.44)

  
  1. *p-value < 0.05; **p-value < 0.01; vs., versus; OR, odds ratio; NC, not calculable. R 2, logistic regression pseudo-R2. N total = 38 670, 38 602 and 31 303 in models 1, 2 and 3 respectively.
  2. Model 1: Adjusted OR for maternal age, parity, maternal weight gain and height.
  3. Model 2: Adjusted OR for model 1 and multiple birth, hypertension, diabetes, macrosomia, gestational age.
  4. Model 3: Adjusted OR for model 2 and maternal origin, education, employment, cohabiting status.