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Table 5 Adjusted odds ratios (OR) from the multivariate model of the association between intensive animal farming activity and acute gastrointestinal illness in Quebec rural municipalities, Canada, April 2007 to April 2008 (weighted n = 6162)

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* OR 95% CI p
Farming    
   Low intensive† 1.00 - -
   High intensive 0.70 0.51-0.96 0.027
Water source    0.265‡
   Community ground water† 1.00 - -
   Community surface water 1.24 0.82-1.87 0.298
   Domestic wells 0.94 0.70-1.28 0.707
   Others 0.85 0.44-1.62 0.621
Age (years)    <0.001‡
   0-4 5.17 2.70-9.87 <0.001
   5-9 2.72 1.37-5.41 0.004
   10-19 1.54 0.77-3.08 0.225
   20-29 1.79 1.04-3.09 0.037
   30-39 1.35 0.76-2.42 0.309
   40-49† 1.00 - -
   50-59 0.98 0.63-1.56 0.968
   60-69 0.72 0.42-1.23 0.230
   70-79 0.51 0.26-1.00 0.050
   ≥80 0.60 0.21-1.69 0.331
Length of stay in the municipality    0.061‡
   Less than a year 1.00 0.52-1.91 0.992
   1 to 5 years 1.16 0.80-1.68 0.423
   6 to 10 years 1.60 1.12-2.28 0.010
   Over 10 years† 1.00 - -
Season    0.056‡
   Winter 1.52 0.94-2.47 0.088
   Spring 1.51 1.00-2.28 0.049
   Summer 1.11 0.74-1.67 0.613
   Fall† 1.00 - -
  1. * All variables were introduced in one model and adjusted for family income, education level, consumption of raw eggs, and occupation where one may have been in contact with human stools.
  2. † Reference group.
  3. ‡ Global p-value