TABLE 3.

Bias and mean squared error (MSE) of the log relative incidence $\theta =\log (\rho )$ (Monte Carlo SE) when a proportion p of cases die of causes unrelated to the event, for selected values of p and $\rho$

Proportion p	$\rho =1$	$\rho =2$	$\rho =3$	$\rho =4$
$p=0$
Bias	$-$0.0021 (0.0028)	$-$0.0010 (0.0028)	0.0023 (0.0028)	0.0020 (0.0028)
MSE	0.0079 (0.0004)	0.0076 (0.0003)	0.0077 (0.0003)	0.0076 (0.0004)
$p=0.1$
Bias	$-$0.0045 (0.0030)	$-$0.0148 (0.0028)	$-$0.0219 (0.0027)	$-$0.0268 (0.0028)
MSE	0.0089 (0.0004)	0.0081 (0.0004)	0.0077 (0.0004)	0.0086 (0.0004)
$p=0.2$
Bias	$-$0.0072 (0.0030)	$-$0.0244 (0.0028)	$-$0.0302 (0.0028)	$-$0.0496 (0.0028)
MSE	0.0088 (0.0004)	0.0085 (0.0004)	0.0085 (0.0004)	0.0102 (0.0004)
$p=0.3$
Bias	$-$0.0076 (0.0031)	$-$0.0285 (0.0028)	$-$0.0526 (0.0029)	$-$0.0651 (0.0030)
MSE	0.0096 (0.0004)	0.0085 (0.0004)	0.0110 (0.0005)	0.0133 (0.0005)