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From the 1,259 PSUs, 54 were sampled with probability proportional to overall school enrollment size for the PSU.In the second stage of sampling, 180 schools with any of grades 9–12 were sampled with probability proportional to school enrollment size from within the 54 PSUs.The third stage of sampling consisted of random sampling in each of grades 9–12, one or two classrooms from either a required subject (e.g., English or social studies) or a required period (e.g., homeroom or second period).All students in sampled classes were eligible to participate.Survey procedures for the national, state, and large urban school district surveys were designed to protect students’ privacy by allowing for anonymous and voluntary participation.Before survey administration, local parental permission procedures were followed.These leading causes of mortality, morbidity, and social problems among youth and adults in the United States are related to six categories of priority health behaviors: 1) behaviors that contribute to unintentional injuries and violence; 2) tobacco use; 3) alcohol and other drug use; 4) sexual behaviors that related to unintended pregnancy and sexually transmitted infections (STIs), including HIV infection; 5) unhealthy dietary behaviors; and 6) physical inactivity.These behaviors frequently are interrelated and are established during childhood and adolescence and extend into adulthood.
The list does not include scandals, accusations, arrests or indictments that have not led to convictions.
At the bottom of the article are links to related articles which deal with politicians who are involved in scandals (political and sex), as well as differentiating among federal, state and local convictions.
Also excluded are crimes which occur outside the politician's tenure in office unless they specifically stem from acts during his time of service.
States and large urban school districts could add and/or delete questions from the standard questionnaire.
Only one state and three large urban school districts included in this report used the 2015 YRBS standard questionnaire without modifications.
Schools, classes, and students that refused to participate were not replaced.