Alcohol use, Behaviors, Body mass index, Child care, Child labor, Circumcision, Condoms, Contraceptives, Education, Employment, Fertility, Gonococcal infections, HPV, Health literacy, Hours worked, Illicit drug use, Income, Internet, Interpersonal violence, Leisure activities, Lifestyle risk factors, Live births, Marital status, Mass media, Maternal age, Menstruation, Obesity, Parental survival, Parents, Physical activity, Pregnancy, Processed foods, Puberty, Religion, Reproductive and sexual risk factors, STDs, School enrollment, Self-inflicted injuries, Sexual behavior, Siblings, Sleep, Socioeconomic risk factors, Sugar-sweetened beverages, Summary birth history, Telephones, Tobacco smoking, Violence, Violence-related risk factors, Young adults