Mexico / Humans / Female / Regression Analysis / Infant / Nutritional Status / Risk factors / Adult / Public health systems and services research / Age Factors / Body Weight / MEXICO / Risk Factors / Review of Literature Protein Energy Malnutrition / Socioeconomic Factors / Nutritional Status / Risk factors / Adult / Public health systems and services research / Age Factors / Body Weight / MEXICO / Risk Factors / Review of Literature Protein Energy Malnutrition / Socioeconomic Factors