Community-level risk factors for notifiable gastrointestinal illness in the Northwest Territories, Canada, 1991-2008

Table 2 Final regression models of significant (p≤0.05) community-level risk factors for campylobacteriosis (Poisson), giardiasis (Negative Binomial) and salmonellosis (Negative Binomial) in the NWT

Risk factor by disease		Estimate	Rate ratio	Standard error	95% Confidence interval		Pr< \|t\|
Campylobacteriosis (n=175)
Intercept		-6.050	0.002	1.130	<0.0001	0.022	<0.0001
Trapping		0.238	1.269	0.125	0.993	1.622	0.057
Traditional food		0.084	1.087	0.033	1.020	1.159	0.010
Food price index		−0.033	0.967	0.010	0.948	0.989	0.001
Trapping*traditional food		−0.006	0.994	0.003	0.989	0.999	0.022
Giardiasis (n=205)
Intercept		−6.780	0.001	0.530	<0.0001	0.003	<.0001
Health expenditure per capita		−0.052	0.949	0.015	0.922	0.978	0.001
Primary health facility	Center	0.616	1.852	0.250	1.136	3.021	0.014
	Station	−1.155	0.315	1.049	0.040	2.462	0.271
	Hospital	0.000	1.000	.	.	.	.
Internal mobility		0.029	1.030	0.014	1.008	1.059	0.044
Salmonellosis (n=202)
Intercept		−8.054	<.0001	0.486	<.0001	0.001	<.0001
Core need		0.086	1.090	0.032	1.024	1.159	0.007
Core need*core need		−0.001	0.999	.0001	0.998	0.999	0.026

ISSN: 1471-2458