Table 1. Baseline characteristics of men in 1988 according to dairy product intake, Harvard Alumni Health Study.
|
Dairy product intake (servings/day)a
|
||||
|---|---|---|---|---|
| Characteristic | 0–<1.25 (n=2460) | 1.25–<2.00 (n=2537) | 2.00–<3.25 (n=2416) | ⩾3.25 (n=2598) |
| Mean age (s.d.) (years) | 66.0 (7.5) | 66.9 (7.9) | 67.3 (8.0) | 68.7 (8.4) |
| Cigarette smoking (%) | 7.6 | 7.6 | 6.7 | 10.1 |
| Overweight or obese (%)a | 46.0 | 43.4 | 42.6 | 39.4 |
| Physical activity ⩾1000 kcal/week (%)b | 67.3 | 70.2 | 69.3 | 66.2 |
| Alcohol intake (%) | 71.4 | 73.0 | 73.7 | 70.4 |
| Red meat intake ⩾3 servings/week (%) | 21.2 | 25.3 | 33.4 | 38.7 |
| Vegetable intake ⩾3 servings/day (%) | 14.2 | 12.6 | 13.7 | 18.6 |
| Paternal history of prostate cancer (%) | 3.2 | 3.5 | 4.8 | 4.2 |
a
Body mass index ⩾25 kg m−2.
b
Sufficient to meet recommended level of physical activity.