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Table 2 Multivariate analysis results within each exposure group

From: Non food-related risk factors of campylobacteriosis in Canada: a matched case-control study

Potential risk factors by exposure group

Beta coefficient

S.E.

Wald statistic

P value

maORa

95 % CI

Waterborne routes of exposure

 Drinking water source = private well

Rb

      

 Drinking water source = municipal water

R

      

 Drinking water source = bottled water

R

      

 Use tap filter

0.816

0.250

10.7

0.001

5.1

1.9

13

 Drink untreated or raw water

0.593

0.285

4.3

0.037

3.3

1.1

10

 Swim in or go into any natural water

R

      

 Swim or go into any artificial water

−0.526

0.231

5.2

0.023

0.35

0.14

0.86

Environmental exposures

 Live on a farm or country property

R

      

 Live with contact with food animals

R

      

 Contact with households pets

R

      

 Contact with cat

−0.365

0.158

5.4

0.0205

0.48

0.26

0.89

 Contact with pets other than cats and dogs

R

      

 Gardening

−0.574

0.190

9.1

0.0025

0.32

0.15

0.67

Social events and domestic travel

 Attend a barbeque

−0.352

0.157

5.0

0.025

0.50

0.27

0.92

 Attend social gathering

−0.358

0.168

4.5

0.033

0.49

0.25

0.95

 Travel outside the region but within Canada

R

      

Food purchasing behaviours

 Shop for food in farmers market

−0.742

0.213

12

0.0005

0.23

0.10

0.52

 Shop for food in butcher shop

R

      

 Eat meat purchased from another place than grocery store

R

      

 Consume meat from butcher

R

      

Food outside home

 Food from fast food chain restaurant

−0.527

0.175

9.1

0.0025

0.35

0.18

0.69

 Food from eat-in restaurant

−0.353

0.166

4.5

0.033

0.49

0.26

0.95

 Food from eat-in cafeteria

R

      

 Food from deli

R

      

 Food from ready-to-eat

−0.862

0.289

9.2

0.0024

0.18

0.059

0.54

 Food from food vendor

R

      
  1. aMatched adjusted odd ratio (bold indicates statistically significant results)
  2. bR = removed during the backward regression process