Table 2.

Age- and sex-adjusted (Spearman) correlations between copeptin and select variables

	African-Americans (n = 1286)		Non-Hispanic whites (n = 1197)
	r	P	r	P
Waist	0.16	<0.001	0.20	<0.001
BMI	0.14	<0.001	0.19	<0.001
Plasma glucose	0.12	<0.001	0.17	<0.001
Plasma insulina	0.14	<0.001	0.22	<0.001
HOMA-IRa	0.17	<0.001	0.23	<0.001
Diabetes	0.13	<0.001	0.07	0.014
HDL cholesterol	−0.07	0.014	−0.08	0.009
Triglycerides	0.09	0.002	0.09	0.002
Systolic BP	0.06	0.022	−0.02	0.59
Heart rate	0.07	0.015	0.07	0.025
Metabolic score	0.16	<0.001	0.14	<0.001
Physical activity score	−0.10	<0.001	−0.07	0.018
Education	−0.06	0.002	−0.004	0.89
Alcohol intake	0.02	0.45	−0.005	0.074

^an = 1070 in the African-Americans and 1142 in the non-Hispanic whites, respectively, for both HOMA-IR and insulin correlations.