Demographics of the CARe and replication African-American cohorts.

1For gender, we reporter the number of males/females. For age, we report the mean ± standard deviation in years. For coronary heart disease, type-2 diabetes, and hypertension, we report the number of cases/controls. For LDL-C and HDL-C, we report the mean ± standard deviation in mg/dl (number of samples with phenotypes available). For smoking, we report the mean ± standard deviation in daily cigarettes, excluding non-smokers (number of samples with phenotypes available). The number of CHD cases with concomitant type-2 diabetes in the CARe cohorts is: 44 for ARIC, 14 for CFS, and 43 for JHS. NA; not available or not analyzed in this study.