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Substance Abuse and Mental Health Services Administration . Comparing and Evaluating Youth Substance Use Estimates from the National Survey on Drug Use and Health and Other Surveys [Internet]. Rockville (MD): Substance Abuse and Mental Health Services Administration (US); 2012 Dec.

Cover of Comparing and Evaluating Youth Substance Use Estimates from the National Survey on Drug Use and Health and Other Surveys

Comparing and Evaluating Youth Substance Use Estimates from the National Survey on Drug Use and Health and Other Surveys [Internet].

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This figure is a line graph, in which the survey years are shown on the horizontal axis and the percentage using alcohol or cigarettes is shown on the vertical axis. For each substance, there are lines showing percentages in each year that have not been adjusted for absences from school and percentages that have been adjusted for the number of days that students were absent from school in the past 30 days. Tests of statistical significance at the .05 level were performed between consecutive survey years; significant results are indicated where appropriate. Percentages of 12th graders who were lifetime alcohol users that were not adjusted for absences were 74.7 percent in 2002, 75.9 percent in 2003, 71.3 percent in 2004, 69.3 percent in 2005, 70.7 percent in 2006, 69.6 percent in 2007, and 68.1 percent in 2008. The difference in estimates was statistically significant between 2003 and 2004. Percentages of 12th graders who were lifetime alcohol users that were adjusted for absences were 73.8 percent in 2002, 75.2 percent in 2003, 70.6 percent in 2004, 68.1 percent in 2005, 70.1 percent in 2006, 68.8 percent in 2007, and 66.9 percent in 2008. The difference in estimates was statistically significant between 2003 and 2004. Percentages of 12th graders who were lifetime cigarette users that were not adjusted for absences were 59.5 percent in 2002, 54.5 percent in 2003, 52.2 percent in 2004, 47.4 percent in 2005, 46.5 percent in 2006, 40.6 percent in 2007, and 42.8 percent in 2008. Differences in estimates were statistically significant between 2002 and 2003 and between 2006 and 2007. Percentages of 12th graders who were lifetime cigarette users that were adjusted for absences were 58.6 percent in 2002, 53.1 percent in 2003, 51.3 percent in 2004, 46.1 percent in 2005, 45.6 percent in 2006, 39.7 percent in 2007, and 41.2 percent in 2008. Differences in estimates were statistically significant between 2002 and 2003, between 2004 and 2005, and between 2006 and 2007.

Figure 3.7Trends in Lifetime Alcohol and Cigarette Use among 12th Graders: Percentages Unadjusted and Adjusted for Absences, 2002 to 2008 NSDUH

NOTE: NSDUH data have been drawn from January to June of each survey year and subset to persons aged 12 to 20.

+ Difference between estimate and the estimate for the next survey year is statistically significant at the .05 level.

Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2002 to 2008 (January through June).

From: 3, Effects of Dropouts, Absentees, and Seasonality on Adolescent Substance Use Estimates in NSDUH

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All material appearing in this report is in the public domain and may be reproduced or copied without permission from SAMHSA. Citation of the source is appreciated. However, this publication may not be reproduced or distributed for a fee without the specific, written authorization of the Office of Communications, SAMHSA, HHS.

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