Table 1.

Poisson regression analysis, campylobacter incidence, Manitoba, 1996 – 2004

	Partially Adjusted Model	Fully Adjusted Model
	Rate Ratio	Rate Ratio
aAgegroup:
0–19	1.84 (1.48 2.29)	1.81 (1.48 2.20)
20–39	1.72 (1.39 2.14)	1.80 (1.47 2.19)
40–59	1.27 (1.01 1.59)	1.28 (1.04 1.58)
60–69	1.07 (0.80 1.44)	1.06 (0.81 1.38)
70+ (reference)	1.0	1.0
aGender:
Male	1.29 (1.16 1.43)	1.25 (1.14 1.38)
Female (reference)	1.0	1.0
abUrban/Rural:
Rural	2.06 (1.86 2.27)	1.46 (1.23 1.73)
Urban (reference)	1.0	1.0
ab Socio-Economic Status Index (SESI)
Low – Reference	1.0	1.0
Medium	1.03 (0.92 1.16)	1.14 (1.02 1.27)
High	0.86 (0.74 1.00)	1.49 (1.27 1.74)
ab Agricultural Occupation
Low – Reference	1.0	1.0
Medium	2.48 (2.23 2.76)	1.81 (1.59 2.06)
High	2.90 (2.43 3.45)	2.21 (1.82 2.69)
ab Composite Animal Density Index (CADI)
Low – Reference	1.0	1.0
Medium	1.96 (1.76 2.18)	1.15 (0.98 1.35)
High	2.81 (2.42 3.27)	1.68 (1.39 2.02)
bc Cow Density
Low – Reference	1.0	1.0
Medium	1.83 (1.63 2.05)	1.11 (0.95 1.31)
High	2.75 (2.41 3.13)	1.54 (1.30 1.83)
bc Pig Density
Low – Reference	1.0	1.0
Medium	1.86 (1.64 2.11)	1.12 (0.98 1.28)
High	2.73 (2.19 3.40)	1.99 (1.61 2.46)
bc Chicken Density
Low – Reference	1.0	1.0
Medium	1.21 (0.87 1.67)	0.91 (0.68 1.23)
High	2.58 (2.08 3.19)	2.11 (1.73 2.58)

^a Adjusted for all variables except cow, pig and chicken densities in the fully adjusted model

^b Adjusted for age group and gender in partially adjusted model

^c Adjusted for age group, gender, urban/rural, socio-economic status and agricultural occupation in fully adjusted model

( ) 95% Confidence Intervals, adjusted for model overdispersion