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


1 155 women, 106 men

2 mean ± S.D.

3 geometric mean (-1 S.D., +1 S.D.)

Combs et al. Nutrition Journal 2011 10:75   doi:10.1186/1475-2891-10-75

Open Data