Effect of nutrient supplementation on the acquisition of humoral immunity to Plasmodium falciparum in young Malawian children

Table 2 Comparative characteristics of the included and excluded participants at 6 months of age

Characteristics	Included (432)	Excluded (349)	P value^a
Parasitaemia by microscopy	22 (5.1)	6 (1.7)	0.01
Parasitaemia by RDT^b	31 (7.17)	35 (10.0)	0.15
Haemoglobin level, mean ± SD, g/l	103.4 ± 15.8	101.4 ± 15.9	0.09
Anaemia^c	251 (58.1)	250 (71.7)	< 0.0001
Low socioeconomic status	251 (58.1)	215 (61.6)	0.32
Mother’s education below median	225 (52.1)	193 (55.3)	0.37

Values are number (%) or mean ± SD
^aP value obtained by Chi square test or Mann–Whitney test (continuous variables)
^bRapid diagnostic test
^cAnaemia defined as haemoglobin level < 110 g/l (World Health Organization [1])

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