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Table 1 Poisson regression analysis, campylobacter incidence, Manitoba, 1996 – 2004

From: Spatial analysis of campylobacter infection in the Canadian province of Manitoba

 

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)

  1. a Adjusted for all variables except cow, pig and chicken densities in the fully adjusted model
  2. b Adjusted for age group and gender in partially adjusted model
  3. c Adjusted for age group, gender, urban/rural, socio-economic status and agricultural occupation in fully adjusted model
  4. ( ) 95% Confidence Intervals, adjusted for model overdispersion