Table 1

Frequency of occurrence for the different risk factors in the four stratification groups

Frequency (%)
FactorLBW (n=83)FA (n=111)LBW and FA (n=31)Controls (n=176)
*p<0.05, **p<0.01, ***p<0.001, compared with controls.
†Data available for only 85 infants.
‡Data available for only 110 infants.
§Compared with two doses, only in Chikwawa District Hospital.
LBW, Low birth weight; FA, fetal anaemia.
Sex (boys)50.645.056.751.7
Intrauterine growth retardation61.4*12.745.2**17.6
Maternal anaemia at recruitment37.3***24.821.424.7
Maternal anaemia at delivery20.7***16.7***20.0*6.3
Maternal malaria at recruitment24.716.334.522.0
Maternal malaria at delivery28.930.630.025.3
Placental malaria22.922.535.5*17.8
Parity (primipara)42.2*15.3*46.7*27.8
HIV mother24.727.133.327.2
High placental parasite density†5.316.79.16.5
High delivery parasite density‡06.102.3
One dose of sulfadoxine/pyrimethamine§57.944.37543.8