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Table 5 Associations between parasitaemia status and mean haemoglobin, stratified by age and study site

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

Parasitemia status Walukuba Kihihi Nagongera
Haemoglobin mean (SD) Relative change (95 % CI) p value Haemoglobin mean (SD) Relative change (95 % CI) p value Haemoglobin mean (SD) Relative change(95 % CI) p value
Children
No detectable parasitaemia 12.0 (1.4) Reference group 12.7 (1.5) Reference group 11.9 (1.4) Reference group
Sub-microscopic parasitaemia 11.4 (1.7) 0.96 (0.94–0.97) <0.001 12.0 (1.6) 0.94 (0.93–0.95) <0.001 11.6 (1.5) 0.97 (0.96–0.98) <0.001
Microscopic parasitaemia 10.9 (1.7) 0.91 (0.89–0.93) <0.001 11.6 (1.6) 0.91 (0.90–0.93) <0.001 11.4 (1.5) 0.95 (0.93–0.96) <0.001
Adults
No detectable parasitaemia 13.3 (1.6) Reference group 13.6 (1.8) Reference group 13.3 (1.6) Reference group
Sub-microscopic parasitaemia 13.0 (1.8) 0.98 (0.97–1.00) 0.13 12.8 (1.6) 0.95 (0.93–0.98) <0.001 13.2 (1.7) 0.99 (0.98–1.01) 0.20
Microscopic parasitaemia 12.9 (1.8) 0.95 (0.91–0.99) 0.008 12.4 (2.2) 0.93 (0.88–0.98) 0.01 13.5 (1.6) 0.99 (0.96–1.02) 0.46
  1. Relative change is adjusted for age and repeated measures in the same study participant