BCG vaccines, Cooking fuels, DTP vaccines, Diarrhea, Education, Education access, Education expenditures, Electricity, Employment, Fever, Health care access, Health care use, Health status, Household air pollution, Housing, Housing conditions, Housing materials, Immunization, Income, Iodine supplements, Land ownership, Lighting, Literacy, Marital status, Meningococcal vaccines, Personal health expenditures, Polio vaccines, Population characteristics, Sanitation, School enrollment, Summary birth history, Transportation, Waste disposal, Water supply, Weight, Weight change