Table 2.

Study population characteristics.

	Non-Hispanic whites	Non-Hispanic blacks	Mexican Americans
n	6,293	3,013	3,542
Female (%)	3,385 (53.8%)	1,652 (54.8%)	1,761 (49.7%)
Age, in years	53.24 (19.70)	44.08 (17.27)	44.00 (17.69)
ln(serum creatinine, mg/dL)	-0.10 (0.31)	0.003 (0.32)	-0.20 (0.34)
ln(urinary creatinine, mg/dL)	4.53 (0.75)	4.97 (0.65)	4.65 (0.73)
Albuminuria (%)	14/5944 (0.2%)	15/2779 (0.5%)	34/3377 (1.0%)
Urinary albumin-to-urinary creatinine ratio (ACR)	0.002 (0.05)	0.006 (0.07)	0.010 (0.10)
Urinary albumin, mg/mL	33.20 (221.08)	76.27 (454.86)	77.06 (583.25)
eGFR	50.78 (26.38)	73.91 (52.74)	48.24 (30.83)
CKD (%)	1734/5940 (29.2%)	1555/2796 (55.6%)	922/3378 (27.3%)

Means (+/- standard deviation) given unless otherwise noted.