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Table 4 Prevalence and odds ratios (OR) from the univariate analysis of farm-related and other risk factors of acute gastrointestinal illness in Quebec rural municipalities, Canada, April 2007 to April 2008

From: The association between farming activities, precipitation, and the risk of acute gastrointestinal illness in rural municipalities of Quebec, Canada: a cross-sectional study

Variable W.n* Prevalence (%) OR (95% CI) p
Contact with animal or manure     
Living in farming municipalities     
   High intensive farming 4100 4.71 0.68 (0.51-0.88) 0.004
   Low intensive farming† 2906 6.84 1.00 -
The presence of manure at 300 m away or less from the house     
   Yes 2127 6.13 1.17 (0.94-1.45) 0.168
   No† 4749 5.31 1.00 -
Keeping farm animals     
   Yes 965 5.43 0.96 (0.71-1.30) 0.811
   No† 6041 5.62 1.00 -
Having pets at home     
   Yes 4171 5.89 1.15 (0.93-1.41) 0.194
   No† 2832 5.16 1.00 -
Consumption of risky food     
Raw or rare meat     
   Yes 438 5.04 0.90 (0.58-1.39) 0.626
   No† 6551 5.59 1.00 -
Unpasteurized milk or raw milk cheese     
   Yes 929 4.16 0.70 (0.50-0.99) 0.042
   No† 6076 5.81 1.00 -
Raw egg     
   Yes 391 7.17 1.33 (0.89-1.98) 0.159
   No† 6601 5.49 1.00 -
Raw fish     
   Yes 533 6.12 1.11 (0.77-1.61) 0.571
   No† 6467 5.54 1.00 -
Work     
As a day care provider or in the health sector where one could have been in contact with human stools     
   Yes 337 8.39 1.59 (1.06-2.37) 0.023
   No† 6668 5.45 1.00 -
In a pet shop, a zoo, an animal clinic, a farm, a slaughterhouse     
   Yes 773 5.04 0.88 (0.63-1.24) 0.474
   No† 6231 5.66 1.00 -
As a chef or assistant chef     
   Yes 206 7.41 1.37 (0.80-2.33) 0.250
   No† 6799 5.54 1.00 -
Take care or baby sit some children     
   Yes 1262 5.07 0.88 (0.67-1.16) 0.374
   No† 5739 5.70 1.00 -
Travel History    
   Yes 372 6.28 1.14 (0.74-1.75) 0.553
   No† 6634 5.55 1.00 -
  1. * Weighted n, weighted by age and sex to the population of the study area, according to the data from the 2006 Canadian census of population.
  2. † Reference.
  3. ‡ Travelling outside Canada within four weeks prior to the onset of AGI (for cases) or interview date (non-cases)