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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: Child Dev Perspect. 2014 Feb 11;8(1):48–53. doi: 10.1111/cdep.12060

Figure 1.

Figure 1

Past-Month Substance Use Among the Project RED Sample and U.S. National Samples

Note: U.S. high school data are from the 2011 Youth Risk Behavior Surveillance Survey. U.S. data for 20–21-year-olds are from the 2012 National Survey of Drug Use and Health.