Table 3.

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

		AB NE(c)		AB E(d)		BB NE
rAB,NE(a)	rAB,E(b)	Relative risk	RMSE	Relative risk	RMSE	Relative risk	RMSE
0.2	0.2	-0.1811	0.0244	-0.1663	0.0494	0.0066	0.0169
	0.4	-0.2268	0.0274	-0.2882	0.0666	0.0251	0.0166
	0.6	-0.2719	0.0314	-0.4016	0.0858	0.0810	0.0186
	0.8	-0.3063	0.0343	-0.5001	0.1033	0.1284	0.0190
0.6	0.2	-0.4712	0.0487	-0.3140	0.0717	-0.0684	0.0165
	0.4	-0.5147	0.0528	-0.4333	0.0922	-0.0450	0.0161
	0.6	-0.5555	0.0568	-0.5414	0.1116	0.0141	0.0174
	0.8	-0.5962	0.0607	-0.6362	0.1293	0.0652	0.0176
		BB E		AA NE		AA E
rAB,NE	rAB,E	Relative risk	RMSE	Relative risk	RMSE	Relative risk	RMSE
0.2	0.2	0.0045	0.0373	0.0060	0.0397	-0.0022	0.0691
	0.4	-0.0810	0.0364	0.0218	0.0408	-0.0551	0.0737
	0.6	-0.1446	0.0373	0.0453	0.0417	-0.1048	0.0865
	0.8	-0.2155	0.0392	0.0740	0.0454	-0.1584	0.1034
0.6	0.2	0.1459	0.0441	-0.0308	0.0410	0.0891	0.0836
	0.4	0.0526	0.0399	-0.0148	0.0406	0.0348	0.0735
	0.6	-0.0175	0.0383	0.0099	0.0399	-0.0175	0.0732
	0.8	-0.0961	0.0373	0.0393	0.0417	-0.0730	0.0797

(a) Proportion of AB individuals not exposed to the environment who get the disease with a very low probability (0.01). (b) Proportion of AB individuals exposed to the environment who get the disease with a very low probability (0.01). (c) Not exposed to the environmental factor. (d) Exposed to the environmental factor.