Table 2 Antenatal Period – Univariate estimates vs adjusted estimates

Group

L (Ref)

Ls

4.08

3.10, 5.37

< 0.0001

2.87

2.10, 3.94

< 0.0001

M

1.63

1.42, 1.87

< 0.0001

1.70

1.47, 1.97

< 0.0001

Ms.

11.04

6.58, 18.51

< 0.0001

8.78

5.13, 15.03

< 0.0001

Age

20–39

≥40

1.18

0.91, 1.54

0.21

1.10

0.84, 1.44

0.51

<20

1.38

0.72, 2.62

0.34

1.29

0.64, 2.60

0.48

Body Mass Index

Normal (Ref)

Underweight

1.14

0.86, 1.53

0.36

0.96

0.71, 1.31

0.81

Overweight

1.20

1.03, 1.40

0.02

1.23

1.05, 1.44

0.01

Obese

1.29

1.08, 1.54

0.004

1.40

1.17, 1.68

0.0002

Consumes Alcohol

No (Ref)

Yes

1.88

1.20, 2.92

0.005

1.70

1.06, 2.71

0.03

Late 1st Antenatal Visit

No (Ref)

Yes

1.02

0.86, 1.21

0.81

0.88

0.74, 1.05

0.1

Partner

Yes (Ref)

No

2.04

1.58, 2.64

< 0.0001

1.41

1.06, 1.88

0.02

History of Physical Domestic Violence

No (Ref)

Yes

5.24

3.46, 7.92

< 0.0001

2.43

1.52, 3.86

0.0002

Previous Out of Home Care Involvement

No (Ref)

Yes

2.16

1.62, 2.87

< 0.0001

1.37

0.99, 1.90

0.06

Socio-Economic Indexes for Areas (SEIFA) Group

Medium (Ref)

Low

1.30

1.13, 1.49

< 0.001

1.08

0.94, 1.26

0.28

High

1.13

0.82, 1.54

0.45

1.25

0.91, 1.74

0.17