Characteristic Category Malaria parasite Prevalence OR CI χ2 p Positive Negative House type Block 36 86 29.51% Reference       Plank 64 117 35.36% 1.31 0.80-2.14 1.13 0.2900 Bushes around the house No 31 81 27.68% Reference       Yes 69 122 36.13% 1.48 0.89-2.46 2.28 0.1300 Use of ITN Yes 26 47 35.62% Reference       No 74 156 32.17% 0.86 0.49-1.49 0.30 0.5800 IRS Yes 17 44 27.87% Reference       No 83 159 34.30% 1.35 0.73-2.51 0.91 0.3400 Presence of water bodies No 36 118 23.38% Reference       Yes 64 85 42.95% 2.47 1.51-4.05 13.13 0.0003 Age group (years) 6 25 25 50.00% Reference       7-10 51 101 33.55% 0.51 0.26-0.97 4.34 0.0370 11-15 24 77 23.76% 0.31 0.15-0.64 10.50 0.0012 Location Molyko 33 96 25.58% Reference       Bomaka 67 107 38.51% 1.82 1.11-3.00 5.60 0.0180

Table 2: Influence of environmental factors, control measures, house type, age, and study site on malaria parasite prevalence between sites.