Odds ratio and 95% confidence interval for association of serum Se concentration, serum SePP concentration or serum GPx activity and prostate cancer in strata of genetic polymorphisms.

OR, 95% confidence interval (CI) and P values were calculated for each SNP analysed using logistic regression. OR adjusted for age group, family history of prostate cancer, participation in PSA testing, smoking status, and vigorous physical activity. Pinteraction = P value of test for interaction between genotype and serum selenium concentration per 10 mg/l, serum SePP concentration (mg/l) or serum GPx3 activity per 100 U/l.