Table 3 Proportion of infants with individual adverse neonatal outcomes according to maternal BMI and depression status (current or previous history), Ontario, Canada, 2007–2010

From: The combined effects of maternal depression and excess weight on neonatal outcomes

Variable

Healthy weight (BMI 18.5–24.9kg m2)

Overweight/obese (BMI 25k g m2)

P-value

 

Not depressed

Depressed

Not depressed

Depressed

 
 

Mean (s.d.)

No.

%

Mean (s.d.)

No.

%

Mean (s.d.)

No.

%

Mean (s.d.)

No.

%

 

Stillbirth

 

154

0.5

 

8

0.5

 

162

0.5

 

8

0.4

0.85

Neonatal death

 

25

0.1

 

0

0

 

36

0.1

 

1

0

0.24

Preterm delivery

 

2016

6.0

 

127

7.2

 

2183

6.6

 

182

8.2

<0.001

Low birth weight (<2500 g)

 

1624

4.9

 

91

5.2

 

1462

4.4

 

87

3.9

0.006

SGA <3%

 

804

2.4

 

25

1.4

 

623

1.9

 

35

1.6

<0.001

SGA <5%

 

1398

4.2

 

51

2.9

 

1066

3.2

 

63

2.9

<0.001

SGA <10%

 

3180

9.6

 

151

8.6

 

2314

7.0

 

140

6.3

<0.001

Macrosomia (>4500 g)

 

377

1.1

 

30

1.7

 

928

2.8

 

73

3.3

<0.001

LGA >90%

 

2624

7.9

 

180

10

 

4708

14

 

358

16

<0.001

LGA >95%

 

1158

3.5

 

85

4.9

 

2513

7.6

 

204

9.3

<0.001

LGA >97%

 

670

2.0

 

47

2.7

 

1588

4.8

 

134

6.1

<0.001

Neonatal intensive care unit admission

 

1399

5.5

 

93

6.4

 

1718

6.2

 

133

7.0

0.001

Newborn resuscitationa

 

4920

15

 

427

25

 

6141

19

 

565

26

<0.001

Phototherapy

 

702

3.2

 

61

4.8

 

943

4.0

 

91

5.6

<0.001

Shoulder dystocia

 

416

1.3

 

29

1.7

 

516

1.6

 

40

1.8

0.002

Infant feeding at discharge

            

<0.001

 Breastmilk only

 

16 299

69

 

881

65

 

16 177

62

 

997

57

 

 Formula only

 

2377

10

 

203

15

 

3536

14

 

302

17

 

 Breastmilk and formula

 

5010

21

 

268

20

 

6332

24

 

460

26

 

 Other

 

18

0.1

 

1

0.1

 

28

0.1

 

1

0.1

 

Apgar at 1 min

8.37 (1.46)

  

8.08 (1.67)

  

8.25 (1.55)

  

7.96 (1.74)

  

<0.001

Apgar at 5 min

8.88 (0.83)

  

8.81 (0.89)

  

8.86 (0.90)

  

8.79 (0.90)

  

<0.001

Gestational age

39.0 (1.8)

  

38.9 (1.8)

  

38.9 (1.9)

  

38.8 (1.9)

  

<0.001

Arterial cord pH

7.26 (0.08)

  

7.26 (0.08)

  

7.25 (0.08)

  

7.26 (0.08)

  

0.77

Arterial base excess

−4.61 (3.67)

  

−4.46 (3.64)

  

−4.46 (3.80)

  

−4.07 (3.56)

  

<0.001

Venous cord pH

7.33 (0.06)

  

7.32 (0.07)

  

7.33 (0.07)

  

7.33 (0.07)

  

<0.001

Venous base excess

−3.80 (2.73)

  

−3.93 (2.82)

  

−3.76 (2.87)

  

−3.67 (2.89)

  

0.089

  1. Abbreviations: BMI, body mass Index; LGA, large for gestational age; SGA, small for gestational age.
  2. aNeonatal resuscitation defined as one or more of the following: free flow oxygen, positive pressure ventilation, intubation, chest compressions and resuscitative medications.