Skip to main content

Table 4 Factors associated with the time to onset of the first malaria infection during the first trimester of pregnancy (multivariate Cox model, N = 190 pregnant women); Sô-Ava and Akassato, Benin 2015–2016

From: Impact of the use and efficacy of long lasting insecticidal net on malaria infection during the first trimester of pregnancy - a pre-conceptional cohort study in southern Benin

Variables (terms)   Multivariatble Cox model
  N HRa CI 95% pvalue
Use of LLIN by the woman the week before the visit   190    
  No 36 1   
  Yes 154 0.38 (0.18–0.80) < 0.001
Physical integrity of the pregnant woman’s LLIN   190    
  Bad 78 1   
  Good 112 0.59 (0.29–1.19) 0.07
Quantitative bio-efficacya of the pregnant woman’s LLIN   190 0.97 (0.94–1.00) 0.04
Malaria before pregnancy   190    
  Yes 9 1   
  No 181 0.27 (0.09–0.74) 0.01
  1. N Total, HRa Hazard ratio adjusted, CI 95% Confidence Interval at 95%, LLIN Long Lasting Impregnated bedNets, pvalue one-sided pvalue
  2. aQuantitative bio-efficacy is defined as the proportion of female anopheles who died 24 h after exposure to the LLIN