From: Route of administration for illicit prescription opioids: a comparison of rural and urban drug users
 | Rural | Urban | Adjusted * |
---|---|---|---|
 | % | % | P -values |
Buprenorphine (sublingual tablets) | 50.5 | 0 | --- |
   Swallowing | 31.7 | 0 | --- |
   Snorting | 26.7 | 0 | --- |
   Injecting | 3.0 | 0 | --- |
Fentanyl (patch) | 35.6 | 0 | --- |
   Swallowing | 25.7 | 0 | --- |
   Snorting | 1.0 | 0 | --- |
   Injecting | 14.9 | 0 | --- |
Hydrocodone (tablets) | 90.1 | 91.9 | 0.408 |
   Swallowing | 68.3 | 91.9 | 0.046 |
   Snorting | 74.3 | 6.3 | < 0.001 |
   Injecting | 0 | 0 | --- |
Hydromorphone (all formulations) | 32.7 | 4.6 | 0.001 |
   Swallowing | 6.9 | 4.5 | 0.524 |
   Snorting | 5.9 | 0.9 | 0.472 |
   Injecting | 21.8 | 0 | --- |
Methadone (tablets) | 77.2 | 3.6 | < 0.001 |
   Swallowing | 27.7 | 3.6 | 0.083 |
   Snorting | 64.4 | 0 | --- |
   Injecting | 1.0 | 0 | --- |
Morphine (all formulations) | 53.5 | 4.6 | 0.007 |
   Swallowing | 14.9 | 3.6 | 0.652 |
   Snorting | 17.8 | 0.9 | 0.547 |
   Injecting | 33.7 | 0 | --- |
OxyContin® (generic/tablets) | 86.1 | 23.6 | 0.002 |
   Swallowing | 25.7 | 22.5 | 0.442 |
   Snorting | 68.3 | 3.6 | < 0.001 |
   Injecting | 44.6 | 0 | --- |
Other Oxycodone** (tablets) | 83.2 | 50.0 | 0.374 |
   Swallowing | 31.7 | 47.7 | 0.026 |
   Snorting | 68.3 | 1.8 | < 0.001 |
   Injecting | 3.0 | 0 | --- |