. Author manuscript; available in PMC: 2021 Mar 31.

Published in final edited form as: Stat Med. 2011 Nov 15;31(4):366–382. doi: 10.1002/sim.4410

Table IV.

Simulation results for aggregate specifications for cumulative volume: mean of estimated regression coefficients (mean ${\hat{β}}_{2}$ ), mean of standard error estimates (mean SE), empirical standard error of estimated regression coefficients (ESE ${\hat{β}}_{2}$ ), and percent coverage of 95% confidence intervals (% coverage).

		Running average				Total average
					%				%
(η₁, θ₁)	Method	Mean ${\hat{β}}_{2}$	Mean SE	ESE ${\hat{β}}_{2}$	coverage	Mean ${\hat{β}}_{2}$	Mean SE	ESE ${\hat{β}}_{2}$	coverage
(log 1,0)	IEE	0.050	0.0021	0.0020	96	0.050	0.0181	0.0184	94
	GEE	0.050	0.0021	0.0020	96	0.050	0.0179	0.0182	94
	LMM-RI	0.050	0.0008	0.0019	56	0.050	0.0180	0.0182	95
	LMM-RS	0.046	0.0019	0.0018	36
(log 2, 0)	IEE	0.053	0.0024	0.0024	78	0.090	0.0088	0.0091	1
	GEE	0.048	0.0023	0.0023	82	0.088	0.0085	0.0090	1
	LMM-RI	0.048	0.0009	0.0023	37	0.088	0.0084	0.0090	1
	LMM-RS	0.047	0.0022	0.0022	66
(log 2, 0.1)	IEE	0.056	0.0030	0.0031	53	0.098	0.0071	0.0071	0
	GEE	0.044	0.0028	0.0029	43	0.106	0.0065	0.0066	0
	LMM-RI	0.044	0.0013	0.0029	10	0.106	0.0063	0.0066	0
	LMM-RS	0.046	0.0028	0.0030	71