APOB and obesity due to melanocortin 4 receptor deficiency: Role of different factors associated with higher levels of apoB/apoA-I potentially able to explain the association, in both men and women, between obesity (defined as BMI ≥30 kg/m2) and both apolipoprotein (apoB/apoA-I) and lipoprotein (total cholesterol/HDL) ratios (included on a logarithmic scale) and expressed as percent (%) change and 95% confidence limits.