Characteristic	Standardized β	95% CI	p-value
Model 1 (Unadjusted)
Proteinuria Stage
A1	—	—
A2	0.27	0.11, 0.44	0.001
A3	0.39	0.20, 0.57	<0.001
Proteinuria Stage
A1	—	—
A2	0.29	0.12, 0.45	<0.001
A3	0.33	0.15, 0.51	<0.001
Proteinuria Stage
A1	—	—
A2	0.38	0.21, 0.54	<0.001
A3	0.46	0.28, 0.64	<0.001
Proteinuria Stage
A1	—	—
A2	0.04	-0.12, 0.21	0.6
A3	0.21	0.03, 0.40	0.022
Proteinuria Stage
A1	—	—
A2	0.04	-0.12, 0.21	0.6
A3	0.25	0.07, 0.44	0.006
Proteinuria Stage
A1	—	—
A2	0.01	-0.16, 0.17	>0.9
A3	-0.02	-0.21, 0.16	0.8
Proteinuria Stage
A1	—	—
A2	0.02	-0.14, 0.19	0.8
A3	0.12	-0.06, 0.30	0.2
Proteinuria Stage
A1	—	—
A2	-0.19	-0.36, -0.03	0.021
A3	-0.14	-0.32, 0.04	0.13
Proteinuria Stage
A1	—	—
A2	0.11	-0.05, 0.27	0.2
A3	0.39	0.21, 0.57	<0.001
Model 2 (Demographics+BMI)
Adj. Model 2
A1	—	—
A2	0.23	0.07, 0.39	0.006
A3	0.33	0.15, 0.51	<0.001
Adj. Model 2
A1	—	—
A2	0.10	-0.04, 0.23	0.2
A3	0.11	-0.04, 0.26	0.2
Adj. Model 2
A1	—	—
A2	0.19	0.03, 0.35	0.019
A3	0.21	0.04, 0.39	0.019
Adj. Model 2
A1	—	—
A2	0.03	-0.13, 0.18	0.7
A3	0.23	0.06, 0.40	0.010
Adj. Model 2
A1	—	—
A2	0.08	-0.07, 0.24	0.3
A3	0.37	0.19, 0.54	<0.001
Adj. Model 2
A1	—	—
A2	-0.01	-0.10, 0.08	0.9
A3	-0.05	-0.15, 0.05	0.3
Adj. Model 2
A1	—	—
A2	0.12	-0.04, 0.27	0.15
A3	0.20	0.02, 0.37	0.028
Adj. Model 2
A1	—	—
A2	-0.08	-0.21, 0.05	0.2
A3	-0.05	-0.19, 0.10	0.5
Adj. Model 2
A1	—	—
A2	0.03	-0.07, 0.13	0.5
A3	0.15	0.03, 0.26	0.011
Model 3 (Fully Adjusted)
Adj. Model 3 (incl. alb)
A1	—	—
A2	0.24	0.08, 0.40	0.004
A3	0.26	0.08, 0.45	0.005
Adj. Model 3 (incl. alb)
A1	—	—
A2	0.08	-0.05, 0.21	0.2
A3	0.19	0.04, 0.34	0.012
Adj. Model 3 (incl. alb)
A1	—	—
A2	0.19	0.03, 0.35	0.019
A3	0.22	0.04, 0.40	0.019
Adj. Model 3 (incl. alb)
A1	—	—
A2	0.03	-0.12, 0.19	0.7
A3	0.21	0.03, 0.38	0.020
Adj. Model 3 (incl. alb)
A1	—	—
A2	0.10	-0.05, 0.25	0.2
A3	0.23	0.06, 0.41	0.008
Adj. Model 3 (incl. alb)
A1	—	—
A2	-0.01	-0.10, 0.08	0.9
A3	-0.06	-0.17, 0.04	0.2
Adj. Model 3 (incl. alb)
A1	—	—
A2	0.11	-0.05, 0.26	0.2
A3	0.23	0.05, 0.41	0.012
Adj. Model 3 (incl. alb)
A1	—	—
A2	-0.07	-0.19, 0.06	0.3
A3	-0.12	-0.27, 0.02	0.10
Adj. Model 3 (incl. alb)
A1	—	—
A2	0.03	-0.07, 0.13	0.6
A3	0.15	0.03, 0.26	0.012
Abbreviation: CI = Confidence Interval