Correcting inaccurate background mortality in excess hazard models through breakpoints

Table 1 Performance criteria stemming from the simulation study with Scenarios A to E

Scenario	Model	β_a = 0.3				β_x = − 0.2
Scenario	Model	Bias	Rel. bias	ECR	RMSE	Bias	Rel. bias	ECR	RMSE
A	1	−0.012	− 0.039	95.1	0.05	0.002	− 0.012	95.1	0.13
	2	0.006	0.019	94.0	0.08	0.029	−0.146	96.4	0.21
	3.1	−0.001	−0.003	91.4	0.09	0.064	−0.322	96.9	0.25
	3.2	−0.003	−0.009	90.4	0.09	0.077	−0.386	96.6	0.27
	4	0.000	−0.002	91.1	0.09	0.070	−0.348	96.5	0.26
B	1	−0.111	−0.370	30.1	0.12	−0.366	1.832	18.2	0.39
	2	0.008	0.026	90.5	0.08	0.010	−0.050	95.6	0.23
	3.1	0.001	0.003	90.6	0.08	0.040	−0.201	94.9	0.27
	3.2	0.000	−0.001	91.4	0.08	0.050	−0.252	94.7	0.29
	4	0.000	0.000	91.4	0.08	0.045	−0.224	94.6	0.28
C	1	0.135	0.450	14.6	0.14	0.388	−1.940	17.7	0.41
	2	−0.068	−0.227	88.5	0.11	−0.181	0.904	82.0	0.27
	3.1	−0.049	−0.163	90.9	0.10	−0.068	0.338	93.3	0.25
	3.2	− 0.051	− 0.171	91.7	0.10	−0.051	0.256	94.1	0.25
	4	−0.049	− 0.163	91.2	0.10	−0.063	0.316	93.6	0.25
D	1	−0.102	−0.340	40.1	0.11	−0.536	2.681	00.6	0.55
	2	−0.052	−0.174	89.2	0.09	−0.329	1.644	57.9	0.39
	3.1	−0.037	−0.122	91.7	0.09	−0.195	0.974	76.7	0.32
	3.2	−0.036	−0.120	91.4	0.08	−0.172	0.860	79.2	0.32
	4	−0.037	− 0.122	91.7	0.09	−0.185	0.927	77.7	0.32
E	1	−0.212	−0.707	00.7	0.22	−0.694	3.468	00.1	0.70
	2	−0.006	−0.019	94.7	0.05	−0.061	0.307	92.3	0.24
	3.1	−0.015	−0.051	94.6	0.06	−0.001	0.004	93.7	0.29
	3.2	−0.020	−0.067	95.3	0.06	0.017	−0.087	94.3	0.30
	4	−0.016	−0.052	94.7	0.06	0.003	−0.013	94.0	0.29

ISSN: 1471-2288