Table 4. Spearman correlation coefficients between DR, FFQ and biomarkers of Se (average of winter and summer).

		Blood Se1	Correlation with DR		Correlation with DR
	n	Mean±SD	Crude	Energy-adjusted	Crude	Energy-adjusted
Men		1.68±0.26	-0.07	0.01	-0.05	0.16
S-Se	85	4.03±0.69	0.03	0.21	-0.03	0.15
E-Se	85
Women
S-Se	95	1.59±0.20	-0.05	-0.04	-0.04	-0.02
E-Se	95	3.71±0.51	-0.11	0.11	-0.17	0.13

¹S-Se: selenium levels in serum (μmol/L); E-Se: selenium levels in erythrocytes (nmol/g).

For n=85, r>0.21 = p<0.05, r>0.28 = p<0.01, r>0.35 = p<0.001.

For n=95, r>0.21 = p<0.05, r>0.27 = p<0.01, r>0.34 = p<0.001.