ADRB3 and Abdominal obesity: In the multivariate regression analysis, MDA was the only variable that positively correlated with LDL-C concentrations, calculated based on the Friedewald [36] and Martin et al. [13] equations, in all multivariate models analysed and composed of independent variables such as methylation levels of the LPL, ADRB3 and MTHFR genes, oxidative stress, inflammation, abdominal obesity, food intake and epidemiological variables.