Malaria Outbreak Facilitated by Appearance of Vector-Breeding Sites after Heavy Rainfall and Inadequate Preventive Measures: Nwoya District, Northern Uganda, February–May 2018

Table 2

Exposure factors among case-patients and controls during malaria outbreak, Nwoya District, February to May 2018.

Exposure	% exposed
	Case (N = 107)	Control (N = 107)	ORM-H	95% CI
Had standing water around HH for 3–5 days after rainfall	55	18	5.6	3.0−11.3
Had curtains on doors and windows in evenings	65	36	3.3	1.8−6.0
Slept under LLIN 2 weeks before symptom onset	71	85	0.43	0.22−0.85
Wore full extremity covering clothes in evening hours bothindoors and outdoors	25	51	0.3	0.2−0.6
Had at least one LLIN per 2HH member	37	52	0.54	0.3−0.97
Presence of empty abandoned containers around HH	13	6	2.5	0.9−8.4
Entered bed to sleep after 9 pm	64	60	1.2	0.7−2.1
Had overgrown bushes around HH	74	67	1.4	0.7−2.6
HH underwent IRS in 2017	45	49	0.9	0.5−1.5

Significant exposures; CI: confidence intervals; HH: household; IRS: indoor residual spraying.