. Author manuscript; available in PMC: 2017 Oct 15.

Published in final edited form as: Stat Med. 2016 May 30;35(23):4153–4165. doi: 10.1002/sim.6993

Table 1.

Univariate fits of the lung cancer data; σ² is the variance of the random slope.

Covariate	β	σ ²	R ²	$R_{r e s}^{2}$	${\hat{ρ}}^{2}$
Trt	−0.28 (0.10)	0.05 (0.03)	0.03	0.07	0.06
Bone	0.35 (0.14)	0.19 (0.12)	0.05	0.07	0.09
Liver	0.45 (0.09)	–	0.03	0.05	0.05
PS	−0.58 (0.10)	–	0.03	0.06	0.05
Wtlss	0.27 (0.09)	–	0.01	0.02	0.02