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Table 4 Stepwise multiple linear regression analysis of influence of frequency consumption of food products on content of Se in serum of control group, β coefficients and significance of variables entered in the model

From: Dietary habits and selenium, glutathione peroxidase and total antioxidant status in the serum of patients with relapsing-remitting multiple sclerosis

Independent variables β coefficient (SE) Significance level Model R2
Offal 0.393 (0.100) 0.0005 0.67
Milk 0.347 (0.101) 0.0017
Beer 0.250 (0.097) 0.0151
Bakery products 0.323 (0.132) 0.0203
Fruit 0.245 (0.115) 0.0419
Sausages -0.352 (0.112) 0.0039
Vegetable oil -0.396 (0.128) 0.0044  
  1. SE – standard error.