. Author manuscript; available in PMC: 2013 Mar 1.

Published in final edited form as: Contemp Clin Trials. 2011 Nov 12;33(2):378–385. doi: 10.1016/j.cct.2011.11.009

Table 2.

Simulation study: mean marginal slopes. Estimates are based on n = 1000 simulations.

Form - Variance	True Slope $β_{1}^{*}$	NSV	CLM	REM
i-Small	−0.234	−0.201	−0.184	−0.064
i-Large	−0.234	−0.192	−0.174	−0.061
ii-Small	−0.243	−0.211	−0.196	−0.088
ii-Large	−0.243	−0.200	−0.180	−0.086
iii-Small	0.347	0.331	0.472	0.612
iii-Large	0.347	0.333	0.466	0.721