Table 3

Environmental irritants

	Cigarette smoke		Excessive dust		Burning brush		Pets at home		Landfills
	Per cent	OR	Per cent	OR	Per cent	OR	Per cent	OR	Per cent	OR
	Per cent	95% CI	Per cent	95% CI	Per cent	95% CI	Per cent	95% CI	Per cent	95% CI
		p Value		p Value		p Value		p Value		p Value
(A) The estimated frequency distribution of current wheeze and non-wheeze responders as a function of known environmental risk factors for asthma
All respondents (exposure)
Current wheeze	47.7	1.80	40.3	2.90	59.7	2.27	60.5	1.16	11.4	2.46
No wheeze in 12 months	33.7	1.37 to 2.35	18.9	2.15 to 3.90	39.5	1.74 to 2.96	56.9	0.89 to 1.52	5.0	1.48 to 4.09
		<0.001		<0.001		<0.001		0.27		<0.001
(B) Comparison of the frequency of wheeze vs non-wheeze responders to environmental risk factors between Grenada and Carriacou/Petite Martinique
Tri-island comparison (exposure)
Carriacou+Petite Martinique	20.0	0.41	21.1	0.79	27.5	0.45	51.4	0.77	4.6	0.66
Grenada	37.8	0.23 to 0.75	25.2	0.44 to 1.43	45.7	0.26 to 0.78	57.9	0.48 to 1.24	6.8	0.20 to 2.16
		0.003		0.438		0.003		0.276		0.491
(C) The estimated frequency distribution of current wheeze vs non-wheeze responders reporting symptom exacerbation by exposure to environmental risk factors for asthma
All respondents (exacerbation with exposure)
Current wheeze	51.6	7.87	55.5	10.47	58.7	7.76	21.8	5.41	11.8	9.21
No wheeze in 12 months	11.9	5.74 to 10.80	10.6	7.54 to 14.54	15.5	5.75 to 10.48	4.9	3.50 to 8.37	1.4	4.44 to 19.07
		<0.001		<0.001		<0.001		<0.001		<0.001