Table 2.
Distribution of air pollution exposure for case and control populations.
| Population | O3
(µg/kg·Day) |
CO (mg/kg·Day) |
SO2
(µg/kg·Day) |
NO2
(µg/kg·Day) |
PM2.5 (µg/kg·Day) |
PM10 (µg/kg·Day) |
|
|---|---|---|---|---|---|---|---|
| Total | Mean ± SD | 11.097 ± 1.624 | 0.150 ± 0.067 | 3.138 ± 1.980 | 4.212 ± 2.550 | 8.295 ± 3.503 | 12.895 ± 6.050 |
| Min | 5.219 | 0.019 | 0.043 | 0.038 | 0.922 | 1.019 | |
| 25th | 10.044 | 0.105 | 1.983 | 2.253 | 5.553 | 8.749 | |
| 50th | 11.080 | 0.146 | 2.857 | 3.961 | 8.126 | 12.197 | |
| 75th | 12.103 | 0.187 | 3.840 | 5.931 | 10.756 | 16.377 | |
| Max | 21.667 | 0.574 | 17.875 | 14.561 | 23.879 | 40.596 | |
| Atopic dermatitis |
Case | 10.810 ± 1.636 | 0.155 ± 0.059 | 3.246 ± 1.636 | 4.706 ± 2.492 | 8.644 ± 3.317 | 13.241 ± 5.469 |
| Control | 11.105 ± 1.623 | 0.149 ± 0.067 | 3.135 ± 1.988 | 4.199 ± 2.550 | 8.286 ± 3.508 | 12.886 ± 6.064 | |
| Chronic hand eczema | Case | 10.998 ± 1.502 | 0.160 ± 0.064 | 3.355 ± 1.990 | 4.558 ± 2.464 | 8.827 ± 3.308 | 13.565 ± 5.656 |
| Control | 11.100 ± 1.627 | 0.149 ± 0.067 | 3.131 ± 1.980 | 4.202 ± 2.552 | 8.279 ± 3.508 | 12.875 ± 6.061 | |
| Urticaria | Case | 10.914 ± 1.566 | 0.160 ± 0.063 | 3.332 ± 1.832 | 4.613 ± 2.484 | 8.852 ± 3.349 | 13.647 ± 5.703 |
| Control | 11.111 ± 1.627 | 0.149 ± 0.067 | 3.123 ± 1.990 | 4.182 ± 2.553 | 8.253 ± 3.511 | 12.839 ± 6.072 | |