Factor Microscopically confirmed malaria (N=350) OR (95% CI) p-value Yes = 56 No =294 Sex of the respondents Female Male 23 33 129 165 1.12 (0.63, 2.00) 1.0 0.68 Residence Dilla town Dilla zuria 26 30 150 144 1.20 (0.68, 2.13) 1.0 0.52 Presence of stagnant water in the compound Yes No 42 14 176 118 2.01, (1.50-3.85) 1.0 0.03 Bed net availability and usage Yes No 25 31 48 246 0.16, (0.08-0.29) 1.0 0.001 Presence of chemical spray Yes No 46 10 267 26 2.45, (2.20-3.99) 1.0 0.02 Household family size <5 >5 35 21 218 76 1.72, (0.94-3.14) 0.08

Table 5: Logistic regression analysis for malaria parasites’ prevalence showing the OR for some selected socio-demographic variables and their 95% confidence intervals, Dilla town and the surrounding area, from October-December 2014.