Table 1. Baseline characteristics of ARIC participants (n = 14,222), 1987–1989.
| Serving of fish/week | ||||
| 0 | <1 | 1–2 | >2 | |
| Number of Subjects (%) | 612 (4.3) | 2641 (18.6) | 5686 (40) | 5283 (37.1) |
| Age | 55 (6.0) | 54.2 (5.8) | 54.2 (5.7) | 54 (5.7) |
| Sex (men) | 48.0 | 51.7 | 54.5 | 58.9 |
| Race (White) | 88.9 | 89.6 | 76.8 | 64.5 |
| BMI | 27.2 (5.4) | 27.1 (4.8) | 27.5 (5.3) | 28.2 (5.5) |
| Hypertension | 28.6 | 28.9 | 34.2 | 37.2 |
| Current smoking | 29.7 | 25.2 | 26.7 | 24.5 |
| Diabetes | 10.8 | 9.4 | 11.2 | 12.9 |
| ECG defined LVH | 1.5 | 1.8 | 2 | 2.3 |
| CHD | 5.4 | 3.9 | 4.6 | 5.2 |
| Alcohol intake (g/day) | 5.6 (14.1) | 6.2 (13.8) | 6.4 (13.6) | 5.8 (13.3) |
| Total energy intake (Kcal/day) | 1504.4 (605.9) | 1478.9 (572.4) | 1561.8 (564.2) | 1747.3 (611.0) |
| Fish-derived n-3 fatty acids (g/day) | 0.02 (0.02) | 0.08 (0.05) | 0.19 (0.09) | 0.48 (0.34) |
| Fiber (g/day) | 15.6 (8.7) | 14.9 (7.2) | 16.4 (7.3) | 19.7 (9) |
| Vitamin C (mg/day) | 104.5 (79.9) | 99.6 (73.9) | 116.4 (77.7) | 142.8 (91.6) |
| Saturated Fat (g/day) | 21.8 (11) | 21.3 (10.5) | 21.9 (10.5) | 22.4 (10.8) |
Values are % for categorical variables and mean (SD) for continuous variables. BMI: Body mass index. CHD: Coronary heart disease. DHA: Docosahexaenoic acid. ECG: Electrocardiogram. EPA: Eicosapentanoic acid.