Absenteeism, Adolescents, Age at first sex, Alcohol use, Alcohol use disorders, Amputation, Anxiety, Bullying, Burns, Condoms, Diet, Education, Education access, Food security, Fruits, Height, Hygiene, Illicit drug use, Injuries, Interpersonal violence, Leisure activities, Mental health symptoms, Occupational injuries, Physical activity, Reproductive and sexual risk factors, Road traffic injuries, Secondhand smoke, Self-inflicted injuries, Sexual behavior, Suicide, Tobacco and nicotine use, Tobacco smoking, Transportation, Unipolar depressive disorders, Vegetables, Violence, Weight