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Table 1 Population characteristics

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

Background characteristics

Non-obese

Obese

  

(N = 33,818)

(N = 4857)

 

%

%

Age ≥ 35 years

19.1

23.1

Multiparity

53.8

64.3

Height (cm)

<155

4.4

6.5

155-179

94.0

92.2

180

1.6

1.2

High weight gain

33.6

50.3

Hypertension

3.8

14.4

Diabetes

4.3

11.2

Nationality

Belgian

56.2

56.9

Sub-Saharan Africa

6.1

9.3

Maghreb

15.0

17.7

Eastern Europe

6.4

2.9

Turkey

3.3

3.2

Former-EU15

11.4

9.0

South-East Asia

1.7

0.8

Education

9th grade

19.7

25.9

High school

36.5

46.7

College

43.9

27.3

Unemployed

40.9

50.6

Single mother

5.5

6.1

Delivery characteristics

Cesarean section

17.8

28.3

Induction

31.1

38.6

Elective CS

8.7

13.6

Timing of induction or elective CS

<39 weeks

35.0

41.0

39-40 weeks

49.0

44.7

41 weeks

15.9

14.3

Gestational age

<37 weeks

7.6

8.1

37-40 weeks

81.9

80.5

≥41 weeks

10.6

11.4

Macrosomia

6.8

11.6

Emergency CS

9.0

14.5

Transfer to NICU

10.9

15.4

1 minute Apgar score < 7

6.9

9.1

Perinatal mortality

0.6

0.7

  1. EU15, Former 15-European Union member countries; CS, cesarean section; NICU, neonatal intensive care unit.
  2. All differences were statistically significant with a p-value <0.001.