Characterizing microscopic and submicroscopic malaria parasitaemia at three sites with varied transmission intensity in Uganda

Table 2 Associations between age and prevalence of microscopic parasitaemia, stratified by study site

Age group (years)	Walukuba			Kihihi			Nagongera
Age group (years)	Prevalence	RR (95 % CI)	p value	Prevalence	RR (95 % CI)	p value	Prevalence	RR (95 % CI)	p value
0.5– <2	6/247 (2.4 %)	0.36 (0.17–0.74)	0.005	14/294 (4.8 %)	0.43 (0.23–0.80)	0.007	42/263 (16.0 %)	0.51 (0.37–0.71)	<0.001
2– <5	56/666 (8.4 %)	Reference group		71/843 (8.4 %)	0.76 (0.56–1.05)	0.093	189/740 (25.5 %)	0.77 (0.65–0.91)	0.002
5– <11	74/936 (7.9 %)	0.90 (0.58–1.40) 0.637		159/1470 (10.8 %)	Reference group		456/1380 (33.0 %)	Reference group
≥18	25/803 (3.1 %)	0.37 (0.21–0.64)	<0.001	23/765 (3.0 %)	0.28 (0.17–0.45)	<0.001	44/853 (5.2 %)	0.15 (0.11–0.22)	<0.001

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