Table 3

Assessment of bias, precision, and relative bias of the models of bitumen fume and benzo(a)pyrene with respect to external data (external validity)

ParameterEstimate
*Estimated obtained after correcting for GGP sampler use in Germany;
†Estimated obtained before correcting for GGP sampler use in Germany.
Bitumen fume model (n=98)
Bias −1.23
Precision 1.35
Relative bias (%)−70
Benzo(a)pyrene model (n=339)
Bias −0.71* ( −1.74†)
Precision 1.72* ( 1.82†)
Relative bias (%)−51* (−82†)