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Table 5 Multivariate analysis of malaria at delivery

From: Zinc erythrocyte protoporphyrin as marker of malaria risk in pregnancy - a retrospective cross-sectional and longitudinal study

Factors

Peripheral parasitaemia

Placental parasitaemia

AOR (95 % CI) P value

AOR (95 % CI) P value

Model 1 ZPP

  

Primigravidae

2.71 (2.02 – 3.65) 0.001

3.18 (2.34 – 4.33) 0.001

IPTp-SP ≥1dose

0.60 (0.44 – 0.82) 0.001

0.91 (0.66 – 1.26) 0.56

ZPP Category 1

0.68 (0.44 – 1.05) 0.08

1.22 (0.77 -1.94) 0.40

ZPP Category 2

0.54 (0.29 – 0.99) 0.05

0.54 (0.29 – 1.00) 0.05

ZPP Category 3

1.46 (0.99 – 2.15) 0.06

1.06 (0.71 – 1.58) 0.79

ZPP Category 4

1.48 (0.96 – 2.29) 0.08

0.83 (0.52 – 1.32) 0.43

Model 2 ZPP and HIV Status

  

Primigravidae

2.44 (1.59 – 3.73) 0.001

2.84 (1.82 – 4.41) 0.001

HIV positive

1.67 (1.07 – 2.62) 0.03

1.75 (1.09 – 2.80) 0.02

IPTp-SP ≥1dose

0.65 (0.42 – 1.02) 0.06

0.93 (0.59 – 1.47) 0.76

ZPP Category 1

0.59 (0.31 – 1.11) 0.10

1.20 (0.61 – 2.37) 0.60

ZPP Category 2

0.68 (0.29 – 1.60) 0.37

0.67 (0.28 – 1.58) 0.36

ZPP Category 3

1.42 (0.80 – 2.54) 0.23

1.16 (0.66 – 2.07) 0.63

ZPP Category 4

1.71 (0.90 – 3.24) 0.10

0.83 (0.42 – 1.65) 0.60

  1. IPTp-SP: intermittent preventive treatment with sulphadoxine–pyrimethamine.
  2. ZPP: Zinc erythrocyte protoporphyrin.
  3. Category 1: ZPP normal to ZPP normal.
  4. Category 2: Raised ZPP to normal ZPP.
  5. Category 3: Raised ZPP to raised ZPP.
  6. Category 4: Normal ZPP to raised ZPP.