Brazil / Public sector / Adolescent / Urban Health / Child Labor / Schools / Humans / Child / Female / Male / Risk factors / Prevalence / Adult / Public health systems and services research / High School Student / Risk Factors / Rural Area / Occupational Accident / Cross Sectional Studies / Logistic Models / Schools / Humans / Child / Female / Male / Risk factors / Prevalence / Adult / Public health systems and services research / High School Student / Risk Factors / Rural Area / Occupational Accident / Cross Sectional Studies / Logistic Models