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Table 3 Stepwise multiple linear regression analysis of influence of frequency consumption of food products on content of Se in serum of patients with MS, 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
Poultry 0.520 (0.127) 0.0004 0.59
Bakery products 0.533 (0.137) 0.0006
White bread 0.687 (0.189) 0.0012
Pulses 0.326 (0.115) 0.0087
Fish 0.352 (0.134) 0.0142
Butter -0.652 (0.178) 0.0011
Wholegrain bread -0.302 (0.115) 0.0143
Sweet beverages -0.262 (0.126) 0.0461
Sugar -0.267 (0.134) 0.0573  
  1. SE – standard error.