Table 3. Analysis of SRTR kidney transplant data.

Covariates	Estimates	SE	p-value
γ (Patient Level)
Age (in decades)	0.1541	0.0104	<.0001
African-American	0.2738	0.0293	<.0001
Female	−0.0957	0.0254	0.0002
Time on Dialysis (in years)
≤1	−0.1379	0.0372	0.0002
>3	0.1153	0.0277	<.0001
Recipient BMI
<20	0.0732	0.0502	0.1450
[25, 30)	0.0391	0.0298	0.1904
≥30	0.1369	0.0320	<.0001
Cause of ESRD
Diabetes	0.2970	0.0359	<.0001
Hypertension	0.1646	0.0375	<.0001
Polycystic	−0.3106	0.0571	<.0001
Other	0.1156	0.0392	0.0032
γ (Cluster level)
Percent of female (pct)	−0.0063	0.0022	0.0035
Percent of African-American (pct)	0.0039	0.0007	<.0001
Percent of diabetes (pct)	0.0084	0.0017	<.0001
Center size (in 100 patients)	0.0097	0.0068	0.1548
η
Intercept	−2.3192	2.0945	0.2682
Percent of female (pct)	0.1046	0.0382	0.0063
Percent of African-American (pct)	0.0389	0.0325	0.2316
Percent of diabetes (pct)	0.0298	0.0531	0.5745
Center size (in 100 patients)	−0.2288	0.2705	0.3977