ALB and major depressive disorder: The strongest predictive domains observed were: Socioeconomic status, Age/sex, Other biomarkers (hemoglobin, calcium, TSH, T4, liver transaminases, creatinine), Lifestyle and habits, Biomarkers for cardiovascular disease and diabetes (HbA1c, glucose, TG, HDL, LDL, urinary albumin), Potential anxiety and depression, Metabolic disease, Medication for cardiovascular disease or diabetes and Other conditions.