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. 2017 Mar 15;147(4):563–571. doi: 10.3945/jn.116.243543

FIGURE 1.

FIGURE 1

Conventional mediation model for the association between Mediterranean diet intake and the markers of insulin resistance and inflammation with BMI and waist circumference as a mediator. Path α represents the regression coefficient for the association of the MDS with BMI and WC. Path β represents the regression coefficient for the association of BMI and WC with markers of insulin resistance and inflammation. The product of regression coefficients α and β represents the mediated effect of BMI or WC (α × β). Path γ′ represents the direct effect of MDS with markers of insulin resistance and inflammation, after adjustment for BMI or WC. Path γ represents the simple total effect of MDS with markers of insulin resistance and inflammation, without the adjustment for BMI or WC. MDS, Mediterranean diet score; WC, waist circumference.