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. Author manuscript; available in PMC: 2010 Jan 6.

Published in final edited form as: J R Stat Soc Series B Stat Methodol. 2008 Feb 1;70(1):73–93. doi: 10.1111/j.1467-9868.2007.00628.x

Table 4.

Simulation results for stratified outcomes, true values are θ_X = θ_Z = ϕ_XZ = 2.00. Common baseline odds assumed.

	θ_X		θ_Z		ϕ_XZ
	Est. (% Bias)	Rel Eff	Est. (% Bias)	Rel Eff	Est. (% Bias)	Rel Eff
Logistic Regression	2.12 (5.8)	26.9	-	-	-	-
Two-Phase Regression	2.03 (1.3)	42.2	2.01 (0.6)	96.6	-	-
Finite Sample Case Control	1.98 (−1.0)	78.7	2.01 (0.5)	100.0	1.88 (−5.8)	134.0
Hybrid: Cases Only	2.01 (0.7)	92.6	2.01 (0.4)	92.5	2.09 (4.4)	48.9
Hybrid: Full Analysis	2.01 (0.6)	100.0	2.01 (0.5)	100.0	2.05 (2.7)	100.0