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YRBSS
History of Participation & Data Quality, 1991–2007

The following is the participation status for states, territories, and districts
including the quality of the data (weighted or unweighted).
 

Youth Risk Behavior Survey, 1991–2007
Participation History and Data Quality by
State and Year

Weighted Weighted1 Unweighted Unweighted2 -- Did not participate
 
States 1991 1993 1995 1997 1999 2001 2003 2005 2007
Alabama

Weighted

 Weighted Weighted Weighted Weighted Weighted Weighted Weighted Unweighted
Alaska -- -- Weighted -- Weighted -- Weighted Unweighted Weighted
Arizona Unweighted Unweighted Unweighted -- -- -- Weighted Weighted Weighted
Arkansas -- Unweighted Weighted Weighted Weighted Weighted Unweighted Weighted Weighted
California Unweighted Unweighted Unweighted Unweighted Unweighted -- -- -- --
Colorado Unweighted Unweighted Weighted Unweighted Unweighted Unweighted Unweighted Weighted Unweighted
Connecticut -- -- Unweighted Weighted Unweighted -- Unweighted Weighted Weighted
Delaware -- Unweighted Unweighted Unweighted Weighted Weighted Weighted Weighted Weighted
Florida Unweighted Unweighted -- Unweighted Unweighted Weighted Weighted Weighted Weighted
Georgia Weighted Weighted Unweighted Unweighted Unweighted Unweighted Weighted Weighted Weighted
Hawaii Unweighted Weighted Weighted Weighted Weighted Unweighted Unweighted Weighted Weighted
Idaho Weighted Weighted Unweighted Unweighted Unweighted Weighted Weighted Weighted Weighted
Illinois -- Weighted Weighted -- Unweighted Unweighted -- Unweighted Weighted
Indiana -- -- -- -- -- Unweighted Weighted Weighted Weighted
Iowa Unweighted Unweighted Unweighted Weighted Unweighted Unweighted Unweighted Weighted Weighted
Kansas -- Unweighted Unweighted Unweighted -- Unweighted Unweighted Weighted Weighted
Kentucky -- Unweighted -- Weighted Unweighted Unweighted Weighted Weighted Weighted
Louisiana -- Weighted Unweighted Weighted Unweighted Unweighted Unweighted -- --
Maine -- Unweighted Weighted Weighted Unweighted Weighted Weighted Weighted Weighted
Maryland Unweighted -- -- -- -- -- -- Weighted Weighted
Massachusetts -- Weighted Weighted Weighted Weighted Weighted Weighted Weighted Weighted
Michigan -- Unweighted Unweighted Weighted Weighted Weighted Weighted Weighted Weighted
Minnesota -- -- -- -- -- -- -- -- --
Mississippi -- Weighted Weighted Weighted Weighted Weighted Weighted Unweighted Weighted
Missouri -- Unweighted Weighted Weighted Weighted Weighted Weighted Weighted Weighted
Montana Unweighted Weighted Weighted Weighted Weighted Weighted Weighted Weighted Weighted
Nebraska Weighted Weighted Unweighted Unweighted Unweighted Unweighted Weighted Weighted Unweighted
Nevada -- Weighted Weighted Weighted Weighted Weighted Weighted Weighted Weighted
New Hampshire Unweighted Weighted Weighted Unweighted Unweighted Unweighted Weighted Weighted Weighted
New Jersey Unweighted Unweighted Weighted Unweighted Unweighted Weighted Unweighted Weighted Unweighted
New Mexico Weighted Unweighted Unweighted -- Unweighted -- Unweighted Weighted Weighted
New York Weighted Weighted -- Weighted Weighted Unweighted Weighted Weighted Weighted
North Carolina -- Weighted Weighted Unweighted -- Weighted Weighted Weighted Weighted
North Dakota -- -- Weighted Unweighted Weighted Weighted Weighted Weighted Weighted
Ohio -- Weighted Unweighted Weighted Weighted -- Weighted Weighted Weighted
Oklahoma -- -- -- -- -- -- Weighted Weighted Weighted
Oregon Unweighted Unweighted Unweighted Unweighted Unweighted -- Unweighted Unweighted Unweighted
Pennsylvania Unweighted -- -- -- -- -- -- -- --
Rhode Island -- -- Unweighted Weighted Unweighted Weighted Weighted Weighted Weighted
South Carolina Weighted Weighted Weighted Weighted Weighted Unweighted Unweighted Weighted Weighted
South Dakota Weighted Weighted Weighted Weighted Weighted Weighted Weighted Weighted Weighted
Tennessee Unweighted Weighted Unweighted Unweighted Weighted Unweighted Weighted Weighted Weighted
Texas Unweighted Unweighted -- -- Unweighted Weighted Weighted Weighted Weighted
Utah Weighted Weighted Weighted Weighted Weighted Weighted Weighted Weighted Weighted
Vermont -- Weighted Weighted Weighted Weighted Weighted Weighted Weighted Weighted
Virginia -- Unweighted -- -- -- -- -- -- --
Washington Unweighted -- -- -- Unweighted -- -- -- --
West Virginia -- Weighted Weighted Weighted Weighted Unweighted Weighted Weighted Weighted
Wisconsin Unweighted Weighted Unweighted Weighted Weighted Weighted Weighted Weighted Weighted
Wyoming Unweighted Unweighted Weighted Weighted Weighted Weighted Weighted Weighted Weighted
Total Participating 26 40 39 38 41 37 43 44 44
Total Unweighted 17 18 17 14 19 15 11 4 5
Total Weighted 9 22 22 24 22 22 32 40 39
Percent Weighted 36.0 55.0 56.4 63.2 53.7 59.5 74.4 90.9 88.6

1. Weighted results mean that the overall response rate was at least 60%. The overall response rate is calculated by multiplying the school response rate times the student response rate. Weighted results are representative of all students in grades 9–12 attending public schools in each jurisdiction. With weighted data, it is possible to say, for example, "X% of students in state Y never or rarely wore a seat belt when riding in a car driven by someone else."

2. Unweighted data represent only the students who completed the survey.

 

 
       



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Page last reviewed: May 6, 2008
Page last modified: May 6, 2008
Content source: National Center for Chronic Disease Prevention and Health Promotion, Division of Adolescent and School Health

Division of Adolescent and School Health
National Center for Chronic Disease Prevention and Health Promotion
Centers for Disease Control and Prevention
Department of Health and Human Services