| Region 1 | ||||||||
| Adolescent Primary Drug of Abuse | ||||||||
| Source: IDHW Client Information System | ||||||||
| 1999-2000 | 2000-2001 | 2001-2002 | 2002-2003 | 2004-2005 | 2005-2006 | 2006-2007 | 2007-2008 | |
| Alcohol | 22 | 43 | 50 | 32 | 36 | 25 | 21 | 41 |
| Methamphetamines | 12 | 9 | 13 | 8 | 22 | 21 | 14 | 7 |
| Marijuana | 45 | 46 | 71 | 50 | 72 | 92 | 66 | 114 |
| Cocaine | 1 | 2 | 3 | 1 | 0 | 3 | 2 | 4 |
| Heroin | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| Other Compounds | 1999-2000 | 2000-2001 | 2001-2002 | 2002-2003 | 2004-2005 | 2005-2006 | 2006-2007 | 2007-2008 |
| Non-Rx Methadone | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 |
| Other Opiates/Synth | 0 | 0 | 2 | 1 | 1 | 1 | 1 | 9 |
| PCP | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Hallucinogens | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 1 |
| Other Amphetamines | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
| Other Inhalants | 0 | 1 | 0 | 1 | ||||
| Benzodiazpine | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Other Tranquilizers | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Barbituates | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Sedatives | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Inhalants | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Over-the-Counter | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Other | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| None | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |