Table 1:
Baseline characteristics of 197,761 US Veterans according to omega-3 fatty acid supplement use
| Omega-3 supplement use | ||
|---|---|---|
| Yes (n=42,316) | No (n=155,445) | |
| Age, years | 65.9 (10.9) | 65.4 (11.8) |
| Sex, male % | 91.6 | 91.8 |
| Race, white % | 85.6 | 82.3 |
| Education, ≥ high school diploma/GED % | 82.5 | 74.7 |
| BMI, kg/m2 | 29.4 (5.3) | 29.3 (5.6) |
| Exercise % | ||
| <1 time/week | 52.3 | 45.1 |
| 1 time/week | 11.7 | 13.3 |
| 2–4 times/week | 23.2 | 28.0 |
| ≥5 times/week | 12.7 | 13.6 |
| Smoking status % | ||
| Never | 29.4 | 27.0 |
| Former | 58.5 | 54.2 |
| Current | 12.2 | 18.8 |
| Alcohol intake % | ||
| Never | 7.6 | 8.0 |
| Former | 38.2 | 41.7 |
| Current | 54.2 | 50.4 |
| Frequency of fish Intake % | ||
| <1/month | 12.2 | 17.5 |
| 1–3/month | 29.4 | 33.9 |
| 1/week | 33.6 | 31.0 |
| 2–4/week | 21.2 | 15.1 |
| ≥5/week | 3.5 | 2.6 |
Data are Mean (Standard Deviation) or Percent. BMI = Body Mass Index, GED = General Education Degree