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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.