Frequency distributions of the dose indices DI1-U, DI2-U, DI1-S, and DI2-S
| Fumigation days (n) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
| DI1-U | 257 | 6 | 4 | 1 | 5 | 1 | 1 | 0 | |||
| DI2-U | 240 | 12 | 6 | 5 | 4 | 5 | 0 | 1 | 0 | 1 | 1 |
| DI1-S | 162 | 2 | 0 | 1 | 4 | 1 | 1 | 0 | |||
| DI2-S | 146 | 8 | 3 | 4 | 5 | 3 | 0 | 0 | 0 | 1 | 1 |
The dose indices are comprised of the number of fumigation days during 1 (DI1) or 2 (DI2) weeks preceding collection of the urine or serum samples.