TABLE 3.

Estimated relative bias and root mean square errors based on 200 simulations

Parameter	True value	Relative bias (%)	RRMSE (%)
Longitudinal part
Fixed effects
${\mu }_0$	2	2	11
${\mu }_1$	−0.25	5	10
${\mu }_2$	−1	4	8
${\mu }_a$	10	−0.06	5
${\mu }_{t_{\mathit{lag}}}$	−1	6	12
Random effects
${\omega }_0$	3	6	9
${\omega }_1$	0.2	15	18
${\omega }_2$	0.5	−0.5	13
${\omega }_a$	0.5	−14	16
${\omega }_{t_{\mathit{lag}}}$	0.8	6	11
Error parameters
${\sigma }_a$	0.9	−0.3	2
${\sigma }_b$	0.1	3	5
Survival part
${\alpha }_1$	0.35	2	9
${\beta }_{1,\mathit{Age}2}$	0.34	−12	85
${\beta }_{1,\mathit{Age}3}$	0.76	7	39

Abbreviation: RRMSE, relative root mean square error.

The parameters are those from (12).