Table 1

Baseline characteristics of the sample

Study sample (%)
Unweighted sample size8003
Population estimate80 653 788
Age, years
 40–5449.6
 55–6931.2
 70+19.2
Sex, male46.1
Race/ethnicity
 Non-Hispanic white82.2
 Non-Hispanic black8.3
 Mexican-American3.2
 Other6.4
Has health insurance93.6
Obese23.3
Current smoker23.6
Has diagnosed high cholesterol40.1
Has diagnosed hypertension31.3
Ever diagnosed with heart attack5.3
Ever diagnosed with stroke2.8
Ever diagnosed with cancer12.3
Relative with diabetes41.2
Relative with heart attack before age 5015.4
Elevated C reactive protein1.2
Elevated transferrin saturation3.3
Elevated ferritin15.6
Prediabetes23.2
Assumed deceased27.0