Intensive hog farming operations and self-reported health among nearby rural residents in Ottawa, Canada

BMC Public Health

Table 3 Self-reported prevalence of selected respiratory system conditions among 723 adult participants by the distance between their residence and the intensive hog farm.

Health condition	Distance to IHF	Prevalence		Odds ratio^A and 95% CI			Odds ratio^B and 95% CI
		N	%	OR	LL	UL	OR	LL	UL
Asthma	≥ 9 km	29	11.3	1.0			1.0
	3 - < 9 km	20	8.5	0.74	0.38	1.42	0.77	0.40	1.50
	<3 km	22	9.5	0.82	0.43	1.56	0.80	0.41	1.52
Asthma symptoms in last year	≥ 9 km	23	9.0	1.0			1.0
	3 - < 9 km	12	5.1	0.56	0.26	1.19	0.55	0.26	1.19
	<3 km	20	8.6	0.96	0.48	1.90	1.05	0.52	2.10
Asthma medication	≥ 9 km	25	18.6	1.0			1.0
In last year	3 - < 9 km	18	7.6	0.78	0.40	1.51	0.78	0.39	1.55
	<3 km	23	10.0	1.11	0.53	1.95	1.11	0.57	2.15
Wheeze	≥ 9 km	43	16.8	1.0			1.0
	3 - < 9 km	34	14.4	0.84	0.49	1.43	0.91	0.52	1.56
	<3 km	43	18.6	1.14	0.67	1.94	1.10	0.63	1.91
Rhinitis	≥ 9 km	40	15.6	1.0			1.0
	3 - < 9 km	22	9.3	0.56	0.31	1.01	0.55	0.31	0.99
	<3 km	35	15.2	0.96	0.57	1.63	0.96	0.57	1.63
Nasal allergies	≥ 9 km	63	24.6	1.0			1.0
	3 - < 9 km	51	21.6	0.90	0.56	1.42	0.88	0.55	1.39
	<3 km	52	22.5	0.88	0.56	1.38	0.89	0.57	1.40
Chronic Bronchitis	≥ 9 km	8	3.1	1.0			N.E.
	3 - < 9 km	10	4.2	1.34	0.52	3.46
	<3 km	15	6.5	2.12	0.82	5.47
Sinusitis	≥ 9 km	29	11.3	1.0			1.0
	3 - < 9 km	19	8.1	0.68	0.37	1.26	0.67	0.36	1.24
	<3 km	33	14.3	1.29	0.75	2.20	1.34	0.78	2.30

N.E. = Not estimable
^A Odds ratios were adjusted for age, sex and smoking status; generalized estimating equations were used to adjust standard errors for multiple questionnaires completed from the same household
^B Odds ratios were adjusted for age, sex, smoking status and household income; generalized estimating equations were used to adjust standard errors for multiple questionnaires completed from the same household

ISSN: 1471-2458