Table 4.

Knowledge of dengue infection among the study participants.

		Total (n=500)		History of dengue exposure				p
				No (n=449)		Yes (n=51)
		No.	%	No.	d	No.	%
Awareness of danger of mosquito bite	No	467	93.4	448	99.8	19	37.3	<0.001
	Yes	33	6.6	1	0.2	32	62.7
Knowledge of diseases transmitted through mosquito bit	No	452	90.4	448	99.8	4	7.8	<0.001
	Yes	48	9.6	1	0.2	47	92.2
	Malaria	18	3.6	0	0.0	18	35.3	<0.001
	Dengue	48	9.6	1	0.2	47	92.2	<0.001
	Yellow fever	1	0.2	0	0.0	1	2.0	0.003
Ever heard about dengue fever	No	453	90.6	448	99.8	5	9.8	<0.001
	Yes	47	9.4	1	0.2	46	90.2
know how dengue is transmitteda	Do not know	451	90.2	448	99.8	3	5.9	<0.001
	Mosquito bite	49	9.8	1	0.2	48	94.1	<0.001
Source of information	NA	449	89.8	448	99.8	1	2.0	<0.001
	Neighbors	5	1.0	0	0.0	5	9.8	<0.001
	Treating physician	50	10.0	1	0.2	49	96.1	<0.001
	Friends	19	3.8	0	0.0	19	37.3	<0.001
	Family	1	0.2	0	0.0	1	2.0	0.003
Indoor mosquito breeding sites	Do not know	469	93.8	447	99.6	22	43.1	<0.001
	Garbage bin	30	6.0	2	0.4	28	54.9	<0.001
	Plant container	22	4.4	1	0.2	21	41.2	<0.001
	Kitchen/bathroom drain free	3	0.6	0	0.0	3	5.9	<0.001
	Un covered water containers	19	3.8	0	0.0	19	37.3	<0.001
	Water in trays under the fridge	8	1.6	0	0.0	8	15.7	<0.001
	Flowerpot trays	11	2.2	0	0.0	11	21.6	<0.001
Outdoor mosquito breeding sites	Do not know	470	94.0	447	99.6	23	45.1	<0.001
	Garbage heaps	29	5.8	2	0.4	27	52.9	<0.001
	Outdoor drains	2	0.4	1	0.2	1	2.0	0.062
	Floor leaves	1	0.2	0	0.0	1	2.0	0.003
	Un covered peridomestic water containers	21	4.2	1	0.2	20	39.2	<0.001
	Nearby water canals	25	5.0	1	0.2	24	47.1	<0.001
	Near-by stagnant water ponds	27	5.4	0	0.0	27	52.9	<0.001
Total knowledge score		1.0±3.3		0.04±0.64		9.53±4.82		t= −14.04 p <0.001
	Low	472	94.4	448	99.8	24	47.1	<0.001
	Average	28	5.6	1	0.2	27	52.9
	High	0	0.0	0	0.0	0	0.0

NA: not applicable.

ND: not determined.

a; Blood transfusion, unsafe injections, eating unclean vegetables, drinking unclean water, surgery, animal bite, flies, contact with rodents were not selected among responses to possible moods of dengue virus transmission.