. Author manuscript; available in PMC: 2019 May 30.

Published in final edited form as: Stat Med. 2019 Jan 24;38(12):2103–2114. doi: 10.1002/sim.8098

TABLE 1.

Summary statistics of simulation results for estimating (β₁, β₂) = (0.5, −0.5) with n = 200. Monte Carlo mean of the estimates (Est), the empirical standard deviation (SD), the mean standard error (SE), the mean squared error (MSE) and the coverage probability (CP) using incident cohort only $({\hat{β}}_{I})$ , prevalent cohort only $({\hat{β}}_{P})$ , and both incident and prevalent cohorts ( ${\hat{β}}_{C}$ and ${\hat{β}}_{o p t}$ ) with sample sizes of n₁ and n₂ for incident and prevalent cohorts, respectively, and censoring rates (cr) of 15% and 30%.

				β₁					Β₂

n₁	n₂	cr		Est	SD	SE	MSE	CP	Est	SD	SE	MSE	CP
125	75	15%	${\hat{β}}_{I}$	0.481	0.208	0.206	0.043	0.943	−0.489	0.347	0.359	0.120	0.950
			${\hat{β}}_{P}$	0.526	0.276	0.274	0.077	0.948	−0.502	0.492	0.468	0.242	0.950
			${\hat{β}}_{C}$	0.502	0.171	0.172	0.029	0.954	−0.484	0.302	0.297	0.091	0.952
			${\hat{β}}_{o p t}$	0.487	0.162	0.164	0.026	0.950	−0.493	0.279	0.282	0.078	0.947
		30%	${\hat{β}}_{I}$	0.422	0.199	0.198	0.046	0.934	−0.429	0.336	0.346	0.118	0.936
			${\hat{β}}_{P}$	0.519	0.306	0.300	0.094	0.951	−0.499	0.547	0.517	0.299	0.940
			${\hat{β}}_{C}$	0.471	0.186	0.181	0.035	0.948	−0.450	0.322	0.314	0.106	0.934
			${\hat{β}}_{o p t}$	0.443	0.164	0.165	0.030	0.940	−0.456	0.281	0.285	0.081	0.934
100	100	15%	${\hat{β}}_{I}$	0.476	0.232	0.229	0.054	0.945	−0.470	0.390	0.401	0.153	0.950
			${\hat{β}}_{P}$	0.513	0.236	0.235	0.056	0.951	−0.524	0.401	0.399	0.161	0.938
			${\hat{β}}_{C}$	0.498	0.169	0.171	0.029	0.955	−0.499	0.286	0.294	0.081	0.951
			${\hat{β}}_{o p t}$	0.486	0.161	0.163	0.026	0.950	−0.497	0.273	0.280	0.074	0.944
		30%	${\hat{β}}_{I}$	0.417	0.222	0.222	0.056	0.927	−0.416	0.381	0.387	0.152	0.938
			${\hat{β}}_{P}$	0.509	0.256	0.258	0.066	0.951	−0.539	0.446	0.442	0.200	0.952
			${\hat{β}}_{C}$	0.476	0.182	0.182	0.034	0.942	−0.486	0.307	0.314	0.095	0.958
			${\hat{β}}_{o p t}$	0.450	0.165	0.167	0.030	0.942	−0.473	0.284	0.288	0.081	0.953
75	125	15%	${\hat{β}}_{I}$	0.473	0.263	0.263	0.070	0.943	−0.469	0.463	0.459	0.215	0.933
			${\hat{β}}_{P}$	0.512	0.217	0.209	0.047	0.939	−0.514	0.365	0.353	0.134	0.950
			${\hat{β}}_{C}$	0.501	0.172	0.170	0.030	0.940	−0.495	0.297	0.289	0.088	0.947
			${\hat{β}}_{o p t}$	0.489	0.163	0.163	0.027	0.946	−0.492	0.286	0.277	0.082	0.943
		30%	${\hat{β}}_{I}$	0.421	0.252	0.254	0.069	0.942	−0.415	0.452	0.443	0.212	0.940
			${\hat{β}}_{P}$	0.515	0.234	0.227	0.055	0.946	−0.512	0.407	0.388	0.166	0.945
			${\hat{β}}_{C}$	0.491	0.185	0.181	0.034	0.944	−0.478	0.326	0.311	0.107	0.953
			${\hat{β}}_{o p t}$	0.466	0.167	0.168	0.029	0.949	−0.469	0.307	0.289	0.095	0.944