TABLE 2.
Adjusted differences (95% CI) in lipid fraction concentrations, comparing the 3 highest quartiles to the 1st quartile of plasma selenium, in the 2000–2001 UK NDNS
| Quartile of plasma selenium, interval in μmol/L |
|||||
|---|---|---|---|---|---|
| 1st (0.60 to <0.98) | 2nd (0.98 to <1.08) | 3rd (1.08 to <1.20) | 4th (1.20 to 2.79) | P-trend | |
| n | 250 | 253 | 271 | 268 | |
| Total cholesterol,1mmol/L | 5.08 | 5.07 | 5.23 | 5.63 | |
| Fully adjusted model2 | 0.00 | 0.03 | 0.10 | 0.39 | 0.001 |
| (Reference) | (−0.16, 0.21) | (−0.09, 0.30) | (0.18, 0.60) | ||
| Non-HDL cholesterol,1mmol/L | 3.93 | 3.92 | 4.02 | 4.43 | |
| Fully adjusted model2 | 0.00 | 0.03 | 0.07 | 0.38 | 0.001 |
| (Reference) | (−0.16, 0.22) | (−0.13, 0.26) | (0.17, 0.59) | ||
| HDL cholesterol, 1mmol/L | 1.15 | 1.14 | 1.21 | 1.20 | |
| Fully adjusted model2 | 0.00 | −0.01 | 0.04 | 0.01 | 0.58 |
| (Reference) |
(−0.07, 0.05) |
(−0.02, 0.10) |
(−0.05, 0.07) |
||
1
Mean lipid levels (survey-weighted).
2
Differences calculated from fully adjusted models include: age, sex, body mass index, smoking status, daily cigarette consumption, daily alcoholic drinking units, daily physical activity score, household income group, educational level group, employment, daily food energy, total fat intake, total cholesterol intake, polyunsaturated-to-saturated fatty acid ratio, vitamin/mineral supplement use, oral contraceptive use, and hormone replacement therapy.