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Table 3 Exposure to pets and farm animals and self-reported asthma in Russian children (N = 581).

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 0.57 0.24, 1.33 0.67 0.27, 1.65
   Dog(s) Na3    
   Cats(s) 1.45 0.62, 3.42 1.65 0.67, 4.05
   Rodent(s) Na4    
   Bird(s) Na5    
First year of life (yes vs. no)     
   Any pets indoors 1.28 0.51, 3.23 1.36 0.53, 3.54
   Dog(s) indoors Na6    
   Cat(s) indoors Na7    
Cats indoors     
   Never (reference) 1.00    
   First year+; currently- Na7    
   First year-; Currently+ 1.15 0.46, 2.86 1.28 0.49, 3.34
   First year and currently 3.48 0.90, 13.45 4.56 1.10, 18.91
   Any 1.29 0.55, 3.04 1.46 0.60, 3.59
Regular contacts to farm animals     
   During pregnancy 1.97 0.75, 5.22 1.90 0.70, 5.17
   First year of life 1.26 0.42, 3.81 1.21 0.39, 3.73
   During pregnancy or first year 1.64 0.65, 4.10 1.66 0.65, 4.27
  1. 1 Logistic regression analysis: adjusted for age, gender, and any dampness or visible molds
  2. 2 Logistic regression analysis: adjusted for age, gender, parental smoking, any dampness or visible mold, cats ever and farm animals ever.
  3. 3 Na, not analysed: 0 asthma cases observed (4.2 expected) among 93 children with current exposure to dogs
  4. 4 Na, not analysed: 0 asthma cases observed (1.6 expected) among 39 children with current exposure to rodents
  5. 5 Na, not analysed: 0 asthma cases observed (1.8 expected) among 45 children with current exposure to birds
  6. 6 Na, not analysed: 0 asthma cases observed (0.4 expected) among 11 children with early exposure to dogs
  7. 7 Na, not analysed: 0 asthma cases observed (0.6 expected) among 16 children with early exposure to cats