Table 3 Factors associated with low birth weight in Medani Maternity Hospital, Central Sudan based on univariate or multivariate analysis

Age

0.94

0.8–0.9

0.024

0.96

0.8–1.0

0.412

Primigravidae

1.64

0.8–3.1

0.139

0.93

0.6–1.3

0.706

Residence

0.81

0.4–1.5

0.517

0.50

0.2–1.1

0.104

Educational level < secondary

1.79

0.7–4.1

0.169

2.41

0.7–7.5

0.130

Lack of antenatal care

1.47

0.7–2.7

0.217

1.17

0.4–2.9

0.723

Body mass index

1.06

0.9–1.1

0.240

1.09

0.9–1.2

0.185

Haemoglobin

1.28

0.9–1.7

0.084

1.31

0.9–1.8

0.145

Male gender

0.88

0.4–1.6

0.697

1.08

0.5–2.1

0.821

Placental malaria infections (histology)

1.33

0.6–2.5

0.400

1.00

0.4–2.1

0.990

Submicroscopic malaria infections

5.14

1.9–13.3

0.001

6.89

2.2–20.8

0.001

All malaria infections

2.63

1.4–4.9

0.002

2.45

1.2–4.9

0.012