Table 1.

Characteristics of the Health ABC cohort by race and sex at baseline

Traits (mean ± SD or number, %)	Whites		Blacks
	Male (933)	Female (844)	Male (543)	Female (717)
Recruitment site
Pittsburgh (PA)	475 (51%)	453 (54%)	269 (50%)	331 (46%)
Memphis (TN)	458 (49%)	391 (46%)	274 (50%)	386 (54%)
Type 2 diabetes (n, %)	216 (23%)	123 (15%)*	174 (32%)	199 (28%)
Obesity (n, %)	180 (19.3%)	143 (16.9%)*	138 (25.4%)	317 (44.2%)*
Age, years	73.9 ± 2.9	73.6 ± 2.8	73.5 ± 2.8	73.4 ± 3.0
Oxidized LDL, mg/dl	1.3 ± 0.7	1.3 ± 0.7	1.3 ± 0.7	1.4 ± 0.8*
Glucose, mg/dl	107 ± 33	95 ± 21*	111 ± 42	109 ± 41
HbA1c, %	6.21 ± 0.9	6.02 ± 0.7*	6.81 ± 1.1	6.66 ± 0.3*
Insulin, μIU/ml	8.4 ± 5.7	7.5 ± 5.1*	8.2 ± 5.5	9.7 ± 5.9*
HOMA-IR, mU · mmol/l2	40.8 ± 39.6	32.6 ± 27.2*	38.9 ± 30.0	45.0 ± 39.8*
Adiponectin, μg/ml	10.3 ± 5.7	15.5 ± 7.2*	8.0 ± 5.3	10.7 ± 6.7*
BMI, kg/m2	27.0 ± 3.7	26.0 ± 4.5	27.2 ± 4.4	29.7 ± 5.9*
Total percent fat, %	28.7 ± 4.8	39.0 ± 5.6*	26.8 ± 5.3	40.0 ± 6.1*
Leptin, ng/ml	7.6 ± 6.3	16.1 ± 10.5*	8.0 ± 6.4	21.3 ± 11.8*
Visceral fat, cm2	170 ± 71	132 ± 63*	130 ± 67	130 ± 59
Subcutaneous fat, cm2	229 ± 84	308 ± 109*	237 ± 100	372 ± 138*

^*Men vs. women, p<0.001