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

Table 3 Associations between age and prevalence of any 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	31/247 (12.6 %)	0.62 (0.44–0.88)	0.008	52/294 (17.7 %)	0.55 (0.40–0.76)	<0.001	129/263 (49.1 %)	0.66 (0.58–0.75)	<0.001
2– <5	164/666 (24.6 %)	Reference group	–	229/843 (27.2 %)	0.82 (0.67–0.99)	0.04	471/740 (63.7 %)	0.85 (0.79–0.92)	<0.001
5– <11	198/936 (21.2 %)	0.79 (0.62–1.02) 0.071		548/1470 (37.3 %)	Reference group		1045/1380 (75.7 %)	Reference group
≥18	151/803 (18.8 %)	0.76 (0.57–1.01)	0.06	185/765 (24.2 %)	0.66 (0.51–0.85)	0.001	456/853 (53.5 %)	0.71 (0.64–0.78)	<0.001

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