TABLE 4.

Multivariable regression evaluating effect of urine protein‐to‐creatinine ratio (UPC), adjusting for age and weight, on vitamin D metabolites

	Log 1,25(OH)2D			Log 24,25(OH)2D			Log 25(OH)D
Predictor	Est.	CI	P‐value	Est.	CI	P‐value	Est.	CI	P‐value
(Intercept)	4.57	3.80‐5.33	<.001	1.85	1.00‐2.70	<.001	3.1	2.47‐3.73	<.001
Log UPC	−0.21	−0.36 to 0.07	.005	−0.46	−0.62 to ‐0.3	<.001	−0.27	−0.39 to −0.15	<.001
Age	0.05	−0.04 to 0.13	.19	0.11	0.02 to 0.20	.01	0.06	−0.0002 to 0.13	.05
Weight (kg)	0.01	−0.01 to 0.03	.43	0.02	−0.01 to 0.04	.14	0.01	−0.003 to 0.03	.12
N	33			33			33
R2/R2 adjusted	0.313/0.242			0.630/0.592			0.539/0.491

The bolded values are statistically significant (ie,P value ≤ 0.05).