Table 3.

Knowledge on causes and modes of transmission of childhood malaria reported by caregivers of children less than 10 years of age around Gilgel-Gibe hydroelectric Dam, southwestern Ethiopia, 2007

Attribute*	'At-risk'	'Control'	OR (95%CI)	p-value
Cause of malaria ('at-risk', n = 1003; 'Control', n = 953)
Mosquito bite	59.1%	41.3%	2.05 (0.56, 7.57)	0.256
Exposed to the sun	51.3%	39.0%	1.65 (0.52, 5.25)	0.371
Eating contaminated food	13.5%	9.0%	1.57 (0.56, 4.38)	0.362
Bad spirit	3.3%	1.7%	1.99 (0.23, 17.28)	0.499
Dirty and stagnant water	2.9%	7.9%	0.35 (0.07, 1.64)	0.153
Too much work	1.6%	2.7%	0.58 (0.21, 1.60)	0.263
God punishment	1.1%	4.6%	0.23 (0.04, 1.23)	0.060
Body contact with patients	0.4%	7.9%	1.26 (0.20, 7.79)	0.791
Don't know	12.9%	4.3%	3.32 (0.48, 23.1)	0.187
Modes of malaria transmission ('at-risk; n = 984; 'control', n = 941)
Mosquito bite	76.7%	83.7%	0.64 (0.21, 1.93)	0.400
Body contact with patients	10.9%	7.0%	1.62 (0.39, 6.75)	0.481
Via respiratory route	4.6%	8.5%	0.52 (0.11, 2.49)	0.377
Sharing utensils with patients	5.6%	2.4%	2.36 (0.44, 12.74)	0.281
Breast milk	8.2%	4.3%	2.02 (0.39, 10.38)	0.366
Don't know	11.4%	3.8%	3.23 (0.71, 14.70)	0.105
Main transmission season ('at-risk', n = 1003; 'control', n = 953)
September to November	63.8%	49.5%		0.518
December to February	5.4%	5.9%
March to April	8.4%	8.3%
June to August	15.8%	24.9%
Always	6.7%	11.2%
Usual mosquito biting time ('at-risk', n = 755; 'control', n = 788)
Day	4.8%	6.2%		0.379
Night	76.0%	78.6%
Any time	13.0%	11.2%
Don't know	6.2%	3.9%
Common mosquito breeding sites ('at-risk', n = 759; 'control', n = 784)
Stagnant water	88.8%	90.4%		0.354
Running water	0.7%	1.8%
Others	0.7%	2.8%
Don't know	9.9%	4.9%

* In all cases, the reference category is "No"