Results - Tips for Understanding the YRBS Report

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Prevalence of Risk Behaviors Among Middle School Students
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Prevalence of Risk Behaviors Among High School Students

It is important to remember that the 2000 high school and the 2003 middle school sample had an overall response rate greater than 60%, therefore were weighted. The results presented in this report can be generalized to all Navajo 2000 high school and 2003 middle school students, but not for the other students.

The CDC prepared the rationale statements placed at the beginning of each of the six priority sections and refers only to the high school information. The U.S. YRBS report for middle schools and rationale statements are not available at this time.

The Navajo YRBSS results are presented, in priority order, for each of the six risk behaviors. First, a summary page was provided for some of the more frequency health risk behavior using the 1997, 2000, and 2003 prevalence results provided by CDC. Following the summary page, the results were constructed into graphs with the middle school on the left side and the high school on the right. For questions that were only asked of high school students, but not middle school, or vice versa, were presented on one page. Each graph is followed by more specific graphs detailing year, sex, and grade trends. Any differences were highlighted by sex, grade, or year in a narrative statement. Also included are the 2001 United States YRBS results for comparison.

This report is designed to stimulate discussions among and be used by educators, parents, and youth in schools attended by Navajo youth to effectively support, implement, monitor, and evaluate coordinated health programs. The results of the 2003 Navajo YRBS reflect information that was completed by a representative sample of middle school students and unrepresentative sample of high school students.

Middle school students indicated 40% had ever drank alcohol, 36% had no vigorous physical activity at least three times a week, 36% had ever used marijuana, and in the 30 days preceding the survey, 33% rode with a driver who had been drinking, and 32% had carried a weapon. Among high school students, 71% did not have PE class daily, 62% did not eat at least five fruits and vegetables per day, and 40% indicated ever having sexual intercourse in their lifetime. These behaviors were followed by the same risk behaviors the middle school students disclosed.

The lack of proper exercise and nutrition, and exposure to alcohol and marijuana risk behaviors of the middle school students were also reported by high school students.

This report is also available on this website.  Please see the download option on the left-side menu and the United States YRBS report is available at the the CDC Division of Adolescent and School Health, National Center for Chronic Disease Prevention and Health Promotion website http://www.cdc.gov/HealthyYouth/yrbs/index.htm.