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Table 2 Exposure to pets and farm animals and self-reported asthma in Finnish children (N = 512).

From: Exposure to animals and the risk of allergic asthma: a population-based cross-sectional study in Finnish and Russian children

Exposure indicators Crude Odds Ratio 95% CI Adjusted 1Odds Ratio 95% CI
Current pets (yes vs. no)     
   Any pets indoors 0.56 0.27, 1.14 0.62 0.29, 1.31
   Dog(s) 0.37 0.13, 1.06 0.37 0.13, 1.10
   Cats(s) 0.36 0.11, 1.21 0.47 0.14, 1.58
   Rodent(s) Na2    
   Bird(s) 1.12 0.14, 8.84 1.08 0.13, 9.27
First year of life (yes vs. no)     
   Any pets indoors 0.56 0.22, 1.42 0.50 0.19, 1.30
   Dog(s) indoors 0.57 0.08, 4.23 0.37 0.04, 3.18
   Cat(s) indoors 1.25 0.17, 9.23 1.90 0.23, 16.07
Dogs indoors     
   Never (reference) 1.00    
   First year+; currently- 0.37 0.05, 2.78 0.36 0.05, 2.77
   First year-; currently+ 0.34 0.10, 1.15 0.37 0.11, 1.26
   First year and currently 0.35 0.05, 2.67 0.31 0.04, 2.43
   Any 0.35 0.13, 0.93 0.35 0.13, 0.95
Regular contacts to farm animals     
   During pregnancy 2.10 0.82, 5.41 1.95 0.69, 5.50
   First year of life 2.48 1.02, 6.01 2.05 0.78, 5.40
   During pregnancy or first year 2.28 0.98, 5.29 2.00 0.81, 4.98
  1. 1 Logistic regression analysis: adjusted for age, gender, parental smoking, and any dampness or visible mold.
  2. 2 Na, not analysed: 0 asthma cases observed (2.6 expected) among 37 children with current exposure to rodents