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Table 1 Self-reported animal exposure among school children in Imatra, Finland, and in Svetogorsk, Russia.

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

Exposure Imatra (ntot = 512) % (n) Svetogorsk (ntot = 581) % (n) P value 1
Current indoor exposure to pets2 55.7 (285) 67.1 (390) <0.001
   Indoor exposure to dogs (≥ 1)3 26.4 (135) 16.0 (93) <0.001
   Indoor exposure to cats (≥ 1)3 20.9 (107) 45.6 (265) <0.001
   Indoor exposure to rodents (≥ 1)3 7.2 (37) 6.7 (39) 0.739
   Indoor exposure to birds (≥ 1)3 2.7 (14) 7.8 (45) <0.001
Exposure during child's first year of life    
   Indoor exposure to dogs or cats 31.8 (163)3 27.2 (158)2 0.093
   Indoor exposure to dogs 3 12.7 (65) 3.1 (18) <0.001
   Indoor exposure to cats 3 9.0 (46) 7.6 (44) 0.397
Regular contact with farm animals2    
   During pregnancy 11.7 (60) 16.9 (98) 0.016
   During child's first year of life 10.6 (54) 15.2 (88) 0.024
  1. 1P value, X2 test
  2. 2 Numbers are based on data available for the respective variable. For none of the variables did the missing data exceed 5%.
  3. 3 Numbers are based on data available for the respective variable. For none of the variables did the missing data exceed 5%.