Anemia, Blood tests, Breastfeeding, Child anthropometry, Cooking fuels, Diarrhea, Diet, Education, Folic acid deficiency, Hemoglobin, Household water treatment, Iron deficiency, Iron-deficiency anemia, Leisure activities, Marital status, Mass media, Micronutrient supplements, Nutrition, Nutritional deficiencies, Obesity, Physical activity, Population characteristics, Pregnancy, Prevalence, Sanitation, Sickle cell disorders, Sleep, Sun exposure, Thalassemias, Vitamin A deficiency, Vitamin A supplements, Vitamin D supplements, Water supply, Weight, Zinc