Use of Adderall and Perceived Risk of Harm by 12th graders

• Year 2009, Use of Adderall 5.4%, Perceived Risk not measured
• Year 2010, Use of Adderall 6.5%, Perceived Risk 41.6%
• Year 2011, Use of Adderall 6.5%, Perceived Risk 40.8%
• Year 2012, Use of Adderall 7.6%*, Perceived Risk 35%**

* significant increase from 2009
** significant decrease from previous year.