Table 4.

Impact of Model Misspecification

	γ = −1.5			γ = 0
Method	Mean Est	SD Est	Mean SE	Mean Est	SD Est	Mean SE
	Misspecified treatment effect:Heterogeneity in γ
	γi ~ U (−2.25, −0.75)			γi ~ U (−0.75, 0.75)
Two-stage	−1.454	0.228	0.226	0.011	0.154	0.155
Seq Strat	−1.388	0.321	0.244	0.086	0.209	0.157
MSM	−1.199	0.391	0.317	0.052	0.330	0.257
	Misspecified SADT Model: Including Age
Two-stage	−1.480	0.223	0.211	−0.005	0.148	0.141
Seq Strat	−1.432	0.270	0.215	0.051	0.190	0.136
MSM	−1.246	0.283	0.246	0.005	0.220	0.190
	Random Censoring
Two-stage	−1.526	0.291	0.279	−0.029	0.192	0.186
Seq Strat	−1.475	0.415	0.318	0.056	0.265	0.193
MSM	−1.281	0.449	0.369	0.037	0.334	0.281
	Age Dependent Censoring
Two-stage	−1.479	0.269	0.259	0.001	0.175	0.169
Seq Strat	−1.446	0.354	0.277	0.056	0.228	0.169
MSM	−1.283	0.311	0.291	−0.004	0.221	0.214