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. Author manuscript; available in PMC: 2015 May 30.
Published in final edited form as: Stat Med. 2014 Jan 17;33(12):2048–2061. doi: 10.1002/sim.6089

Table 4.

Simulation Setting 4: centers 2j and 2j − 1 have equal hazards, but different covariate distributions; t=3.

Measure Center (γj, αj) TRUE BIAS ESD
SMRj(t) 1 (0.8, 0.04) 0.319 −0.003 0.089
2 (0.8, 0.04) 0.331 −0.002 0.068
3 (0.9, 0.12) 0.931 0.001 0.162
4 (0.9, 0.12) 0.919 0.003 0.121
5 (1, 0.2) 1.484 0.003 0.208
6 (1, 0.2) 1.307 −0.000 0.157
7 (1.1, 0.3) 2.070 0.002 0.239
8 (1.1, 0.3) 1.602 0.004 0.201
9 (1.25, 0.4) 2.551 −0.002 0.279
10 (1.25, 0.4) 1.725 −0.008 0.219
SRRj(t) 1 (0.8, 0.04) 0.345 −0.002 0.120
2 (0.8, 0.04) 0.345 −0.000 0.041
3 (0.9, 0.12) 0.929 0.005 0.212
4 (0.9, 0.12) 0.929 0.003 0.105
5 (1, 0.2) 1.386 −0.007 0.272
6 (1, 0.2) 1.386 −0.000 0.186
7 (1.1, 0.3) 1.908 −0.007 0.344
8 (1.1, 0.3) 1.908 0.013 0.330
9 (1.25, 0.4) 2.329 −0.006 0.412
10 (1.25, 0.4) 2.329 −0.001 0.455