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Table 4 Multivariable logistic regression analyses for preterm birth, low infant birth weight and APGAR score < 7 at 1 and 5 min for singleton pregnancies in 2010–2015 (n = 140,569)

From: Prevalence of self-reported mental disorders in pregnancy and associations with adverse neonatal outcomes: a population-based cross-sectional study

 

Beta

SE

Wald

P

Odds ratio

Lower 95% CI

Upper 95% CI

1) Preterm birth

Missing cases: 4.8%

 Age < 18

− 0.17

0.07

5.14

0.023

0.85

0.74

0.98

 Age > 35

0.32

0.02

177.67

< 0.001

1.38

1.32

1.45

 BMI < 18.5

0.44

0.05

66.35

< 0.001

1.55

1.39

1.72

 BMI > 25

0.00

0.02

0.00

0.978

1.00

0.97

1.04

 Current alcohol use

−0.09

0.10

0.87

0.352

0.91

0.76

1.10

 Current smoking

0.36

0.02

244.97

< 0.001

1.44

1.38

1.51

 Fetal abnormality in pregnancy

1.93

0.08

532.92

< 0.001

6.89

5.85

8.12

 Hypertensive disorder in pregnancy

1.55

0.04

1487.49

< 0.001

4.69

4.34

5.08

 Lone parent

0.05

0.04

1.83

0.176

1.05

0.98

1.12

 Maternal employment

−0.19

0.02

81.18

< 0.001

0.83

0.80

0.87

 New antenatal disclosure of intimate partner violence

0.32

0.22

2.08

0.149

1.38

0.89

2.12

 Self-reported mental disorder

0.27

0.02

151.92

< 0.001

1.31

1.25

1.37

2) Low infant birth weight

Missing cases: 4.9%

 Age < 18

−0.15

0.10

2.15

0.143

0.87

0.71

1.05

 Age > 35

0.31

0.04

64.48

< 0.001

1.36

1.26

1.47

 BMI < 18.5

0.73

0.07

116.80

< 0.001

2.07

1.81

2.36

 BMI > 25

−0.28

0.03

100.11

< 0.001

0.76

0.71

0.80

 Current alcohol use

0.03

0.13

0.06

0.811

1.03

0.80

1.33

 Current smoking

0.93

0.03

845.05

< 0.001

2.54

2.39

2.71

 Fetal abnormality in pregnancy

2.67

0.09

891.55

< 0.001

14.49

12.16

17.27

 Hypertensive disorder in pregnancy

2.03

0.05

1714.25

< 0.001

7.64

6.94

8.41

 Lone parent

0.22

0.05

21.08

< 0.001

1.24

1.13

1.36

 Maternal employment

−0.22

0.03

48.44

< 0.001

0.81

0.76

0.86

 New antenatal disclosure of intimate partner violence

0.62

0.26

5.66

0.017

1.86

1.12

3.12

 Self-reported mental disorder

0.26

0.03

62.04

< 0.001

1.29

1.21

1.38

3) APGAR score < 7 at 1 min

Missing cases: 5.2%

 Age < 18

0.27

0.06

17.78

< 0.001

1.31

1.16

1.49

 Age > 35

−0.01

0.03

0.26

0.609

0.99

0.94

1.04

 BMI < 18.5

−0.10

0.06

2.72

0.099

0.90

0.80

1.02

 BMI > 25

0.19

0.02

127.74

< 0.001

1.21

1.17

1.26

 Current alcohol use

−0.02

0.10

0.03

0.861

0.98

0.82

1.18

 Current smoking

−0.05

0.02

4.58

0.032

0.95

0.91

1.00

 Fetal abnormality in pregnancy

1.63

0.09

334.30

< 0.001

5.09

4.27

6.06

 Hypertensive disorder in pregnancy

0.34

0.05

51.73

< 0.001

1.41

1.28

1.55

 Lone parent

0.22

0.03

43.10

< 0.001

1.24

1.16

1.32

 Low infant birth weight

1.08

0.04

905.38

< 0.001

2.93

2.73

3.15

 Maternal employment

0.03

0.02

2.25

0.133

1.03

0.99

1.07

 New antenatal disclosure of intimate partner violence

−0.07

0.25

0.08

0.781

0.93

0.57

1.52

 Preterm birth

0.42

0.03

236.12

< 0.001

1.52

1.44

1.60

 Self-reported mental disorder

0.13

0.02

37.44

< 0.001

1.14

1.10

1.19

4) APGAR score < 7 at 5 min

Missing cases: 5.2%

 Age < 18

−0.06

0.15

0.17

0.685

0.94

0.70

1.26

 Age > 35

−0.05

0.05

0.73

0.392

0.96

0.86

1.06

 BMI < 18.5

−0.01

0.12

0.01

0.919

0.99

0.78

1.25

 BMI > 25

0.18

0.04

22.19

< 0.001

1.19

1.11

1.28

 Current alcohol use

0.22

0.18

1.45

0.228

1.24

0.87

1.78

 Current smoking

−0.04

0.05

0.64

0.426

0.96

0.87

1.06

 Fetal abnormality in pregnancy

2.41

0.10

556.73

< 0.001

11.15

9.13

13.62

 Hypertensive disorder in pregnancy

−0.02

0.09

0.04

0.840

0.98

0.82

1.18

 Lone parent

0.23

0.07

11.19

0.001

1.25

1.10

1.43

 Low infant birth weight

1.50

0.06

688.59

< 0.001

4.48

4.00

5.01

 Maternal employment

0.04

0.04

0.98

0.323

1.04

0.96

1.14

 New antenatal disclosure of intimate partner violence

−0.04

0.47

0.01

0.941

0.97

0.38

2.44

 Preterm birth

0.95

0.05

355.79

< 0.001

2.59

2.34

2.85

 Self-reported mental disorder

0.21

0.05

20.61

< 0.001

1.23

1.12

1.34

  1. SE Standard error, CI Confidence interval
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