Table 2.
Distribution of Major Coronary Heart Disease Risk Factors According to Ethnicity and Risk Category
| Ethnicity | Prevalence (%) | ||||
|---|---|---|---|---|---|
| 0 to 1 Risk Factor | 2+ Risk Factors | CHD+CHD RE | Total | ||
| Age ≥45 (males) or ≥55 (females) | NHW | 54.6 | 85.7 | 87.8 | 81.5 |
| AA | 33.8 | 75.6 | 74.0 | 67.6 | |
| P-value | .001 | .01 | <.001 | <.001 | |
| Current smoker | NHW | 6.0 | 17.1 | 17.5 | 15.4 |
| AA | 4.4 | 14.0 | 12.2 | 11.3 | |
| P-value | .60 | .45 | .04 | .03 | |
| Hypertension | NHW | 25.1 | 69.5 | 76.7 | 65.8 |
| AA | 51.5 | 94.2 | 83.5 | 80.4 | |
| P-value | <.001 | <.001 | .01 | <.001 | |
| Family history* | NHW | 15.0 | 53.0 | 50.7 | 45.2 |
| AA | 10.3 | 52.3 | 35.0 | 34.6 | |
| P-value | .30 | .90 | <.001 | <.001 | |
| Low HDL-C (<1.04 mmol/L) | NHW | 3.6 | 32.5 | 35.2 | 29.0 |
| AA | 1.5 | 14.0 | 22.8 | 17.4 | |
| P-value | .36 | <.001 | <.001 | <.001 | |
| High HDL-C (≥1.55 mmol/L)† | NHW | 40.4 | 7.6 | 9.7 | 14.4 |
| AA | 45.6 | 14.0 | 14.6 | 19.6 | |
| P-value | .41 | .04 | .02 | .005 | |
| ≥3 Major risk factors | NHW | 0 | 42.6 | 53.6 | 41.3 |
| AA | 0 | 33.7 | 35.4 | 29.2 | |
| P-value | – | 0.11 | <.001 | <.001 | |
*
Coronary heart disease in male first-degree relative <55 years or female first-degree relative <65 years.
†
High HDL-C is a negative risk factor.
CHD RE, coronary heart disease risk equivalents; NHW, non-Hispanic white; AA, African American.