Table 1 Factors independently associated with the magnitude of antibody response by linear regression stepwise analysis

IgG

MSP-1₁₉

Previous infections

1.61

1.41; 1.84

< 0.0001

Current infections

1.39

1.74; 1.64

0.0001

Dry season

0.88

0.80; 0.97

0.0084

AMA-1

Previous infections

1.25

1.12; 1.40

0.0001

Current infections

1.23

1.08; 1.39

0.0019

Dry season

0.90

0.84; 0.97

0.005

EBA-175

Current infections

1.13

1.01; 1.27

0.0389

Congenital infections

1.29

1.10; 1.52

0.0017

IgG1

MSP-1₁₉

Previous infections

1.69

1.47; 1.95

0.0001

Current infections

1.31

1.18; 1.68

0.0002

Low birth weight

1.31

1.06; 1.63

0.0143

AMA-1

Previous infections

1.26

1.11; 1.43

0.0003

Current infections

1.29

1.11; 1.49

0.0007

Dry season

0.86

0.79; 0.93

0.0003

Placental infection

1.22

1.04; 1.43

0.0144

Congenital infections

1.31

1.06; 1.62

0.0128

EBA-175

Previous infections

1.13

1.03; 1.59

0.0105

Congenital infections

1.34

1.13; 1.24

0.0008

Dry season

0.88

0.82; 0.95

0.0008

IgG3

MSP-1₁₉

Previous infections

1.14

1.06; 1.24

0.0009

Current infections

1.54

1.38; 1.71

<0.0001

Intervention

1.11

1.03; 1.20

0.0068

Congenital infections

1.16

1.03; 1.30

0.0146

AMA-1

Previous infections

1.16

1.04; 1.29

0.0066

Current infections

1.34

1.17; 1.52

<0.0001

Placental inflammation

1.27

1.06; 1.53

0.0099

EBA-175

Current infections

1.14

1.04; 1.24

0.0008

Dry season

1.10

1.04; 1.16

0.0008

IgM

MSP-1₁₉

Current infections

1.16

1.09; 1.25

<0.0001

Dry season

1.1

1.05; 1.15

<0.0001

AMA-1

Dry season

0.90

0.86; 0.94

<0.0001

EBA-175

Dry season

1.07

1.03; 1.12

0.0009