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. 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 II.

Simulation results for a non-aggregate specification for cumulative volume: mean of estimated regression coefficients (mean β^2), mean of standard error estimates (mean SE), empirical standard error of estimated regression coefficients (ESE β^2), and percent coverage of 95% confidence intervals (% coverage).

(η1, θ1) Method Mean β^2 Mean SE ESE β^2 % coverage
(log 1, 0) IEE 0.050 0.0020 0.0021 95
GEE 0.050 0.0020 0.0020 95
LMM-RI 0.050 0.0008 0.0020 52
LMM-RS 0.050 0.0019 0.0020 95
(log 1,0.1) IEE 0.050 0.0018 0.0017 95
GEE 0.050 0.0018 0.0017 95
LMM-RI 0.050 0.0007 0.0017 61
LMM-RS 0.050 0.0019 0.0019 95
(log 2, 0) IEE 0.050 0.0023 0.0022 95
GEE 0.045 0.0022 0.0021 36
LMM-RI 0.045 0.0009 0.0021 6
LMM-RS 0.043 0.0022 0.0021 8
(log 2,0.1) IEE 0.050 0.0029 0.0028 95
GEE 0.038 0.0027 0.0027 1
LMM-RI 0.038 0.0012 0.0027 0
LMM-RS 0.034 0.0028 0.0031 0