Table 1 Characteristics of the study cohort (N = 2611)
characteristic | value |
|---|---|
Anthropometry | |
age, y | 49.6 ± 16.32 |
BMI | 27.4 ± 5.02 |
biomarkers of Se status | |
plasma Se, ng/mL | 142.0 ± 23.52 |
plasma GPX3, nmoles NADPH/min/mg protein | 3.64 ± 0.542 |
serum SEPP1, μg/mL | 3.43 (2.61, 4.51)3 |
buccal cell Se, ng/mg protein | 8.39 (5.59, 12.59)3 |
urine Se, ng/mg creatinine | 55.5 (40.8, 75.6)3 |
other metabolic markers | |
serum folate, μg/mL | 25.1 (13.2, 47.8)3 |
serum vitamin B12, pg/mL | 496 (313, 786)3 |
serum homocysteine, μg/mL | 6.8 (5.2, 8.9)3 |
TSH, μIU/mL | 2.35 (1.21, 4.56)3 |
free T4, nmol/mL | 1.35 ± 0.182 |
free T3, nmol/mL | 2.91 ± 0.592 |
glucose, mg/dL | 89.9 ± 13.12 |
dietary intakes | |
energy, kcals/d | 2177 ± 7212 |
protein, g/d | 87.2 ± 29.42 |
fat, g/d carbohydrate (g/d) | 84.9 ± 33.72 272.52 ± 104.12 |
Se, μg/d | 109 ± 432 |