Table 1

Birthweight, preterm delivery, IUGR and malaria infection according to gravidity

	Gravida 1 (n=357)	Gravida 2 (n=237)	Gravida 3 (n=393)	P^4-150
Birthweight median [IQR] (kg)	2.72 [2.44–3.00]	2.93 [2.63–3.26]	3.09 [2.76–3.39]	<0.0001
Preterm n (%) ⩽37 weeks	35 (9.8)	11 (4.6)	16 (4.1)	0.0027
Birthweight <2500 g in term infants n (%)	69/322 (21.4)	25/226 (11.1)	27/377 (7.2)	0.0001
P falciparum
Placenta
frequency n (%)	103/307 (33.6)	55/208 (26.4)	48/345 (13.9)	0.0001
density^4-151	4.15 [3.40–4.70]	4.04 [3.40–4.81]	3.68 [3.21–4.21]	0.025
Mother
frequency n (%)	87/355 (24.5)	46/232 (19.8)	50/390 (12.8)	0.001
density^4-151	3.60 [3.00–4.04]	3.40 [3.13–4.01]	3.18 [2.70–3.82]	0.031

↵4-150 Kruskall-Wallis test for continuous variables and χ² for categorical variables.
↵4-151 Median [IQR] parasite density (log₁₀ value) in infected mothers/placentas.