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. 2004 Jun 30;5:18. doi: 10.1186/1471-2350-5-18

Table 1.

Relative bias and RMSE of the disease risks predicted using the reduced model in the first scenario.

Contam Factor (a) AB NE(b) AB E(c) BB NE

Relative bias RMSE Relative bias RMSE Relative bias RMSE
0 -0.0030 0.0179 0.0098 0.039 -0.0007 0.0168
0.2 -0.1481 0.022 -0.0510 0.0424 -0.0342 0.016
0.4 -0.2928 0.0326 -0.1346 0.0471 -0.0792 0.0162
0.6 -0.4346 0.0452 -0.2032 0.0567 -0.0959 0.0165
0.8 -0.5725 0.0582 -0.2980 0.0710 -0.1374 0.0173
Contam Factor BB E AA NE AA E

Relative bias RMSE Relative bias Relative bias RMSE

0 0.0157 0.0381 0.0065 0.0383 0.0087 0.0647
0.2 0.068 0.0393 -0.0173 0.039 0.0379 0.0704
0.4 0.1038 0.0421 -0.0299 0.0405 0.0730 0.0770
0.6 0.2151 0.0479 -0.0456 0.0412 0.1302 0.094
0.8 0.3071 0.0559 -0.0695 0.0452 0.1819 0.1132

(a) Proportion of individuals in the contaminated category who get the disease with a very low probability (0.01). (b) Not exposed to the environmental factor. (c) Exposed to the environmental factor.