. 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 4.

Nested model fits of the CGD recurrent events data; with (R²) or without (R²*) the random intercept.

Covariates	Random intercept	R ²	R²*
Treatment	1.09 (0.45)	0.46	0.15
Trtmt, Steroid	1.09 (1.52)	0.47	0.16
Trtmt, Steroid, Age	0.94 (0.94)	0.47	0.21
Trtmt, Steroid, Age, Antibio	0.90 (0.34)	0.47	0.22
Trtmt, Steroid, Age, Antibio, Inherit	0.85 (0.32)	0.46	0.23
Trtmt, Steroid, Age, Antibio, Inherit, Hosp	0.76 (0.41)	0.47	0.27
All^**	0.62 (0.44)	0.47	0.31

^**

All the fixed covariate effects are significant.