Table 3.

Multivariable linear regression between 25(OH) D or 1,25(OH)₂D and estimated glomerular filtration rate or proteinuria

	Log (25(OH)D)		Log (1,25(OH)2D)
	β	P	β	P
eGFR
Unadjusted	0.066	0.388	0.292	<0.001
Model 1	0.062	0.345	0.232	<0.001
Model 2	0.015	0.808	0.237	<0.001
Model 3	0.015	0.808	0.154	0.018
24hr proteinuria
Unadjusted	-0.254	0.001	-0.361	<0.001
Model 1	-0.23	0.002	-0.322	<0.001
Model 2	-0.221	0.002	-0.277	<0.001
Model 3	-0.095	0.153	-0.171	0.012

Model 1 adjusted for age, sex and BMI, Model 2 adjusted for model 1+ diabetes mellitus, hypertension and eGFR (or 24hr proteinuria), Model 3 adjusted for model 2 + total cholesterol, calcium and phosphorus. Abbreviations: 25(OH)D: 25-hydroxyvitamin D; 1,25(OH)₂D: 1,25-dihydroxyvitamin D; eGFR: estimated glomerular filtration rate