Table 3 Univariate and multivariate analyses for predictors of folic acid use in the first trimester among pregnant women at Khartoum, Sudan

Age > 28.0 year

1.35

0.86-2.14

0.187

1.5

0.93-2.7

0.084

primiparae

3.4

1.9-5.9

<0.001

3.8

1.9-7.6

<0.001

Education ≥ secondary level

1.04

0.75-1.45

0.7756

0.67

0.44-1

0.068

Urban residence

0.84

0.66-1.19

0.433

1.1

0.77-1.6

0.546

Maternal job (employee)

2.37

1.56-3.6

<0.001

3.9

2.25-6.77

<0.001

antenatal care

5.7

3.2-10.2

<0.001

7.9

4.1-15

<0.001

No medical diseases

1.01

0.57-1.76

0.974

1.31

0.67-2.58

0.426