. Author manuscript; available in PMC: 2010 Oct 1.

Published in final edited form as: J Addict Dis. 2009 Oct;28(4):332–347. doi: 10.1080/10550880903182986

Table 3. Primary Drugs among Prescription Opiate Abusers Recruited by RADARS^® Key Informants (N=1,472).

Extended-release oxycodone	29.4%
Hydrocodone	29.2%
Immediate-release oxycodone	15.2%
Methadone	12.8%
Hydromorphone	3.7%
Morphine	3.2%
Fentanyl	2.9%
Buprenorphine	2.4%
Tramadol	1.1%
Other opioid drug	0.1%

Table 3. Primary Drugs among Prescription Opiate Abusers Recruited by RADARS® Key Informants (N=1,472).