Comparison of aircraft SHS dose with ground based dose for workers
| Cotinine study; number of workers | Median serum cotinine level (ng/ml) | Exposure venue | Estimated ratio to average worker |
|---|---|---|---|
| *Estimated from model; †geometric mean. | |||
| Mattson et al21; n = 9 | 2.88* | Exposed on aircraft | 6.1–7.3 |
| NHANES III, Mannino (personal communication) | 0.393 | US workers, national sample | 1.0 |
| NHANES III, Pirkle et al38; n = 12000 | 0.468† | US workers, national sample | 1.0 |