Table 3. J test comparing the creatinine model with ethnicity versus the creatinine model with ancestry.

Model 5: Creatinine ∼ All ethnic groups + SED + Age + Sex + Height + BMI. Model 13: Creatinine ∼ Genetic ancestry + SED + Age + Sex + Height + BMI.

Models compared	Estimate (β)	Std. Error	t-value	P-value
Model 5 + fitted (Model 13)	0.91	0.06	15.77	<2 × 10−16
Model 13 + fitted (Model 5)	0.15	0.07	2.15	0.03