From: A prospective study of dietary selenium intake and risk of type 2 diabetes
 | Quintiles of dietary selenium intake (μg/day) |  | ||||
---|---|---|---|---|---|---|
 | I | II | III | IV | V | Ptrend |
N | 1,437 | 1,436 | 1,437 | 1,436 | 1,436 | Â |
Average Se intake (μg/d) | 41.7 | 50.2 | 55.7 | 62.0 | 75.1 | - |
Age | 47.3 | 47.1 | 47.6 | 47.3 | 46.9 | 0.37 |
BMI (kg/m2) | 24.2 | 24.5 | 24.8 | 25.3 | 25.9 | < 0.001 |
Current smoker (%) | 19.1 | 18.5 | 18.3 | 21.9 | 21.0 | 0.03 |
Education (%) > 8 years | 56.5 | 53.6 | 51.5 | 53.7 | 52.9 | 0.09 |
Post-menopausal status (%) | 34.0 | 35.7 | 32.8 | 34.6 | 31.1 | 0.08 |
Total proteins (g/day) | 67.1 | 69.2 | 72.6 | 78.9 | 91.9 | < 0.001 |
Animal proteins (g/day) | 39.9 | 44.7 | 48.7 | 55.1 | 68.1 | < 0.001 |
Animal fat | 36.3 | 36.4 | 36.5 | 38.5 | 42.1 | < 0.001 |
Ratio saturated/polyunsaturated fatty acids | 0.28 | 0.31 | 0.31 | 0.32 | 0.34 | < 0.001 |
Total carbohydrates (g/day) | 240.5 | 216.4 | 209.0 | 207.3 | 203.6 | < 0.001 |
Starch (g/day) | 164.0 | 147.5 | 141.3 | 139.6 | 135.2 | < 0.001 |
Sugars (g/day) | 76.5 | 68.8 | 67.7 | 67.7 | 68.4 | < 0.001 |
Fibers (g/day) | 21.2 | 19.1 | 18.9 | 19.1 | 19.5 | < 0.001 |
Alcohol (g/day) | 10.3 | 10.3 | 10.4 | 9.9 | 8.8 | 0.001 |
Energy (kcal/day) | 1843 | 1741 | 1728 | 1768 | 1840 | 0.59 |