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Table 3 Associations between age and prevalence of any parasitaemia, stratified by study site

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

Age group (years) Walukuba Kihihi Nagongera
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
  1. Relative risk is adjusted for repeated measures in the same study participant
  2. Reference group is defined as the group with highest prevalence, at all sites