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Table 3 Multivariate analysis of 1 minute Apgar score <7 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 = 38234)

1.35

1.42

1.36

1.30

1.31

4.0%

 

(1.21-1.50)**

(1.27-1.58)**

(1.21-1.52)**

(1.14-1.48)**

(1.15-1.49)**

 

Women in spontaneous labor (n = 22499)

1.38

1.45

1.35

1.25

1.26

4.0%

 

(1.18-1.61)**

(1.24-1.69)**

(1.15-1.59)**

(1.03-1.51)*

(1.04-1.52)**

 

Women with induction of labor (n = 12218)

1.23

1.29

1.31

1.35

1.38

4.1%

 

(1.04-1.45)*

(1.09-1.53)**

(1.10-1.57)**

(1.11-1.66)**

(1.12-1.69)**

 

Women with elective cesarean section (n = 3528)

1.76

1.83

1.75

1.50

NC

9.7%

 

(1.25-2.47)**

(1.30-2.59)**

(1.21-2.54)**

(0.96-2.36)

  
  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 = 38 230, 38 181 and 31 015 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.
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