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Table 2 Risk factors for placental parasitaemia at delivery

From: Malaria in pregnant women in an area with sustained high coverage of insecticide-treated bed nets

Variable At risk of placenta parasitaemia (n) Univariate analysis odds ratio (95% CI) LR (p-value) Multivariate analysis odds ratio (95% CI)
Age 413 1.08 (0.99 – 1.19) 0.09 1.07 (0.97 – 1.17)
Patient's home:    0.31  
   Ifakara & vicinity 307 1   
   Beyond Ifakara 106 1.50 (0.70 – 3.21)   
Parity:    0.20  
   Secundigravid 157 1   
   Primigravid 256 0.63 (0.31 – 1.28)   
Use of bednet:    0.09  
   Never used 37 1   
   Untreated 280 0.73 (0.2 – 2.6)   0.74 (0.21 – 2.68)
   Treated bednet 96 1.78 (0.5 – 6.6)   1.64 (0.44 – 6.19)
Report of self-medication:    0.28  
   Never used 236 1   
   Antimalarial 103 1.41 (0.59 – 3.34)   
   Other forms 74 2.04 (0.85 – 4.88)   
Reported fever episode:    0.31  
   Never reported 235 1   
   Reported 178 1.45 (0.71 – 2.95)   
Incidence of birth weight (n = 404)   0.31  
   Normal BW 344 1   
   LBW 60 1.62 (0.67 – 3.91)   
  1. ¶-N = 33 cases of placenta parasitaemia
  2. LR-likelihood ratio