Characteristic | Exposure to 137Cs in kBq/m2 | P-value | Exposure to 137Cs in kBq/m2 | P-value | ||||
---|---|---|---|---|---|---|---|---|
<116, % | 116-164, % | 165-265, % | <116, % | 116-164, % | 165–349a, % | |||
 | Children 8–11 years of age |  | Children 12–17 years of age |  | ||||
Antibiotic use during past 12Â months | Â | Â | Â | Â | Â | Â | Â | Â |
  Two or more times | 5.6 | 13.3 | 2.4 | 0.082b | 3.1 | 2.7 | 3.3 | 0.7426b |
  One time | 33.3 | 20.0 | 15.5 |  | 9.3 | 16.2 | 14.2 |  |
  None | 61.1 | 66.7 | 82.1 |  | 87.6 | 81.1 | 82.7 |  |
Stove fueled with coal, coke or wood | 50.0 | 0 | 23.8 | 0.002b | 42.3 | 40.5 | 23.2 | 0.0005c |
Gas from the mains used for cooking | 88.9 | 100.0 | 95.2 | 0.378b | 88.7 | 97.3 | 91.2 | 0.3119b |
Cat exposure | Â | Â | Â | Â | Â | Â | Â | Â |
  2d | 44.4 | 20.0 | 31.0 | 0.205b | 29.9 | 37.8 | 44.1 | <.0001c |
  1e | 50.0 | 80.0 | 53.6 |  | 57.7 | 54.1 | 31.6 |  |
  0f | 5.6 | 0 | 15.5 |  | 12.4 | 8.1 | 24.3 |  |
Dog exposure | Â | Â | Â | Â | Â | Â | Â | Â |
  2d | 5.6 | 0 | 1.2 | 0.002b | 5.2 | 0 | 4.0 | 0.0032b |
  1e | 94.4 | 86.7 | 61.9 |  | 85.6 | 81.1 | 69.5 |  |
  0f | 0 | 13.3 | 36.9 |  | 9.3 | 18.9 | 26.5 |  |
ETS | 55.6 | 40.0 | 38.1 | 0.392c | 49.5 | 40.5 | 46.0 | 0.6369c |
Number of cigarettes smoked per day by a child | Â | Â | Â | Â | Â | Â | Â | Â |
  0 |  |  |  |  | 87.7 | 92.8 | 95.7 | 0.0001b |
  10 or less |  |  |  |  | 11.6 | 2.9 | 2.3 |  |
  More than 10 |  |  |  |  | 0.7 | 4.4 | 1.8 |  |