Table 2. Dengue knowledge, mosquito avoidance strategies and personal protective measures of non-governmental organization workers living in Léogane and Port-au-Prince, Haiti, 2012.

	Total		Haitians		Expatriates		p-value*
	n = 181		n = 129		n = 52
	n	%†	n	%†	n	%†
Dengue knowledge
Ever heard of dengue	100	55%	50	39%	50	96%	<0.01
Knowledge of dengue transmission	83	46%	37	29%	46	89%	<0.01
Knowledge of dengue prevention	67	37%	17	13%	50	96%	<0.01
Mosquito Avoidance Strategy
Wearing long sleeves	57	32%	35	27%	22	42%	0.05
Wearing long pants	68	38%	36	28%	32	62%	<0.01
Mosquito repellent	106	59%	61	47%	45	87%	<0.01
multiple times a day	34	19%	11	9%	23	44%	<0.01
Bed nets	118	65%	90	70%	28	54%	0.06
Aerosol sprays	58	32%	34	26%	24	46%	0.01
Treated Clothing	7	4%	2	2%	5	10%	0.02
None	14	8%	12	9%	2	4%	0.36
Presence/use of the following
Screens at
Hang out place	16	9%	10	8%	6	12%	0.40
Sleep place	74	41%	37	29%	37	71%	<0.01
Work site	67	37%	47	36%	20	39%	0.87
Air conditioning at
Hang out place	15	8%	6	5%	9	17%	0.01
Sleep place	33	18%	5	4%	28	54%	<0.01
Work site	56	31%	26	20%	30	58%	<0.01
Open water source nearby
Hang out place	47	26%	28	22%	19	37%	0.60
Sleep place	65	36%	45	35%	20	39%	0.73
Work site	49	27%	32	25%	17	33%	0.36
Standing water source nearby
Hang out place	45	25%	22	17%	23	44%	<0.01
Sleep place	55	30%	29	23%	26	50%	<0.01
Work site	57	32%	30	23%	27	52%	<0.01
Tires or trash nearby
Hang out place	38	21%	19	15%	19	37%	0.002
Sleep place	41	23%	22	17%	19	37%	0.006
Work site	43	24%	22	17%	21	40%	0.002

*p-value was calculated using a 2-tailed Fisher's exact test.

^†all percentages were rounded to the nearest whole number.