Child Welfare / Health Education / Asthma / Schools / Humans / Child / New York City / Female / School Health / Questionnaires / School health services / Public health systems and services research / Odds ratio / Curriculum and Pedagogy / Cross Sectional Studies / Primary Prevention / Child / New York City / Female / School Health / Questionnaires / School health services / Public health systems and services research / Odds ratio / Curriculum and Pedagogy / Cross Sectional Studies / Primary Prevention