Table 5.
Characteristics of Incident Coronary Heart Disease cases and non-cases in the Atherosclerosis Risk in Communities cohort, stratitifed by race
| Whites | African Americans | |||||
| Cases | Non-Cases | Cases | Non-Cases | |||
| (n = 1,168) | (n = 8,802) | (n = 319) | (n = 3,119) | |||
| Mean (SEM) | Mean (SEM) | P** | Mean (SEM) | Mean (SEM) | P** | |
| Age (years)† | 55.7 (0.2) | 53.9 (0.06) | <0.0001 | 55 (0.3) | 53.1 (0.1) | <0.0001 |
| Age at event (years) | 63.9 (0.2) | -- | 63.0 (0.4) | -- | ||
| Body Mass Index (kg/m2)† | 27.8 (0.1) | 26.8 (0.05) | <0.0001 | 30 (0.3) | 29.5 (0.1) | 0.1 |
| HDL Cholesterol (mg/dL)† | 42.8 (0.4) | 52.2 (0.2) | <0.0001 | 48.6 (0.8) | 56.0 (0.3) | <0.0001 |
| Total Cholesterol (mmol/L)† | 5.82 (0.03) | 5.5 (0.01) | <0.0001 | 5.84 (0.07) | 5.51 (0.02) | <0.0001 |
| % | % | P** | % | % | P** | |
| Males | 69.4 | 42.2 | <0.001 | 49.5 | 35.9 | <0.001 |
| Diabetes† | 20.2 | 6.6 | <0.001 | 34.2 | 16.4 | <0.001 |
| Hypertension† | 38.6 | 23.7 | <0.001 | 72.7 | 52.1 | <0.001 |
| Smoking† | 31.4 | 23.6 | <0.001 | 42 | 27.9 | <0.001 |
SEM = Standard error of the mean
*P-value comparing means or proportions between cases and non-cases
†At the baseline visit