APOA1 and obesity due to melanocortin 4 receptor deficiency: Association of total alcohol intake (alone, in a first model) and ethanol from difference sources (simultaneously included in a second model) with percent (%) difference in both the apolipoprotein (apoB/apoA-I) and the lipoprotein (total cholesterol/HDL) ratio (included on a logarithmic scale), from a multiple linear regression model adjusted for age, obesity, physical activity, smoking status, education, marital status, saturated fat intake, sucrose intake, the Recommended Food Score, gender (in combined analyses) and menopausal status plus estrogen use (in women).