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Table 1 Univariate and multivariate analyses of factors associated with placental malaria infection

From: Complement activation, placental malaria infection, and birth weight in areas characterized by unstable malaria transmission in central Sudan

 

Univariate analysis

Multivariate analysis

Variable

OR 95% CI P

OR 95% CI P

Age

0.9

0.9─1.0

0.152

1.0

0.9─1.1

0.524

Primiparae

0.8

0.7─1.0

0.185

1.2

0.3─4.0

0.714

Residence

0.6

0.3─1.4

0.696

1.1

0.3─3.7

0.785

Maternal education < secondary level

0.7

0.2─1.8

0.485

0.9

0.3─2.6

0.850

lack of antenatal care

1.3

0.6─2.5

0.242

1.0

0.3─3.4

0.920

Body mass index

1.0

0.9─1.0

0.668

1.1

0.8─1.3

0.377

Hemoglobin

0.3

0.1─0.8

0.016

0.7

0.4─1.1

0.201

Blood group O

   

0.9

0.3─2.5

0.941