TABLE 1.
Baseline characteristics of participants of European ancestry in the UK Biobank1
| Fish oil intake (n = 134,720) | No fish oil intake (n = 289,370) | |
|---|---|---|
| Age, y (SD) | 59 (7.3) | 56 (8.1) |
| Sex, female (%) | 75,726 (56) | 153,758 (53) |
| BMI, kg/m2 (SD) | 27 (4.5) | 28 (4.9) |
| Total cholesterol, mmol/L (SD) | 5.78 (1.16) | 5.68 (1.14) |
| LDL cholesterol, mmol/L (SD) | 3.61 (0.88) | 3.55 (0.87) |
| HDL cholesterol, mmol/L (SD) | 1.48 (0.39) | 1.44 (0.38) |
| Triglycerides, mmol/L (SD) | 1.75 (1.00) | 1.76 (1.04) |
| Smoking status (%) | ||
| Never | 71,756 (53) | 157,498 (54) |
| Previous | 51,940 (39) | 97,930 (34) |
| Current | 10,527 (8) | 32,968 (11) |
| Alcohol status (%) | ||
| Never | 4075 (3) | 9220 (3) |
| Previous | 4302 (3) | 10,411 (4) |
| Current | 126,232 (94) | 269,500 (93) |
| Physical activity (%) | ||
| Low | 16,930 (13) | 47,061 (16) |
| Moderate | 43,674 (32) | 96,758 (33) |
| High | 48,761 (36) | 90,921 (31) |
| Statin use, yes (%) | 24,121 (18) | 45,463 (16) |
1
Values are numbers (%) for categorical variables and mean (SD) for continuous variables.