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Higher socio-economic status was a determinant of a higher selenium concentration in plasma (β = 3.1; 95%CI 0.2-5.9), whereas BMI ≥ 25 kg/m2, and multiparity of a higher copper concentration in plasma (β = 0.2; 95%CI 0.03-0.4; β = 0.2; 95%CI 0.1-0.4). Higher plasma concentration of vitamin E was noted among women older than 30 years of age comparing to those who were 30 or younger (β = 1.5; 95%CI 0.6-2.4). Although more studies are required, especially such based on laboratory measures, our results indicate target groups for dietary int