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

Green et al. International Journal of Health Geographics 2006 5:2   doi:10.1186/1476-072X-5-2