From: Poverty, dirt, infections and non-atopic wheezing in children from a Brazilian urban center
 | Non atopic | Atopic | ||||
---|---|---|---|---|---|---|
Potential risk factors | overall | non-wheezers | wheezers | overall | non-wheezers | wheezers |
 | (N = 823) | (N = 613) | (N = 210) | (N = 486) | (N = 312) | (N = 174) |
Social/familial and Demographic factors | Â | Â | Â | Â | Â | Â |
Sex | Â | Â | Â | Â | Â | Â |
   Female | 46.1 | 46.2 | 45.7 | 49.0 | 51.3 | 44.8 |
   Male | 53.9 | 53.8 | 54.3 | 51.0 | 48.7 | 55.2 |
Age | Â | Â | Â | Â | Â | Â |
   <5 | 36.1 | 31.0 | 51.0 | 33.7 | 28.8 | 42.5 |
   6-7 | 35.5 | 37.0 | 31.0 | 35.8 | 37.2 | 33.3 |
   >8 | 28.4 | 32.0 | 18.0 | 30.5 | 34.0 | 24.1 |
Mother education | Â | Â | Â | Â | Â | Â |
   Elementary education | 21.9 | 20.6 | 25.7 | 22.4 | 21.2 | 24.7 |
   More than elementary education | 47.3 | 48.1 | 50.5 | 35.8 | 48.4 | 45.4 |
   More than high school | 29.4 | 31.3 | 23.8 | 30.2 | 30.4 | 29.9 |
Parental Asthma | Â | Â | Â | Â | Â | Â |
   No | 85.4 | 87.8 | 78.6 | 88.9 | 92.3 | 82.8 |
   Yes | 14.6 | 12.2 | 21.4 | 11.1 | 7.7 | 17.2 |
Dirt and Infections | Â | Â | Â | Â | Â | Â |
Routine cleaning in all the rooms | Â | Â | Â | Â | Â | Â |
   No | 4.7 | 3.4 | 8.6 | 3.3 | 2.2 | 5.2 |
   Yes | 95.3 | 96.6 | 91.4 | 96.7 | 97.8 | 94.8 |
Having attended day care | Â | Â | Â | Â | Â | Â |
   No | 83.6 | 85.8 | 77.1 | 84.6 | 84.3 | 85.1 |
   Yes | 16.4 | 14.2 | 22.9 | 15.4 | 15.7 | 14.9 |
Rodents in the household | Â | Â | Â | Â | Â | Â |
   No | 41.4 | 44.5 | 32.4 | 44.7 | 43.3 | 47.1 |
   Yes | 58.6 | 55.5 | 67.6 | 55.3 | 56.7 | 52.9 |
Tgondi | Â | Â | Â | Â | Â | Â |
   No | 80.1 | 80.6 | 78.6 | 84.8 | 86.2 | 82.2 |
   Yes | 19.9 | 19.4 | 21.4 | 15.2 | 13.8 | 17.8 |
IgG4 | Â | Â | Â | Â | Â | Â |
   No detectable | 86.4 | 87.3 | 83.8 | 79.4 | 80.4 | 77.6 |
   Detectable | 13.6 | 12.7 | 16.2 | 20.6 | 19.6 | 22.4 |
Respiratory symptoms | Â | Â | Â | Â | Â | Â |
   No | 68.3 | 72.1 | 56.7 | 69.2 | 73.2 | 60.8 |
   For 1-7 days | 26.6 | 24.7 | 32.3 | 24.3 | 21.9 | 29.2 |
   For ≥8 days | 5.1 | 3.2 | 11.0 | 6.5 | 4.9 | 10.0 |
Diarrhoea | Â | Â | Â | Â | Â | Â |
   No | 24.8 | 26.1 | 20.7 | 23.0 | 23.5 | 22.1 |
   For 1-7 days | 43.9 | 45.6 | 38.7 | 47.5 | 49.0 | 44.3 |
   For ≥8 days | 31.3 | 28.3 | 40.6 | 29.5 | 27.5 | 33.6 |