From: Abuse risks and routes of administration of different prescription opioid compounds and formulations
 | Immediate release | Extended-release/long-acting1 | ||||
---|---|---|---|---|---|---|
Generic name | Number | Predicted Probability | 95% CI | Number | Predicted Probability | 95% CI |
Hydrocodone | 4,136 | - | - | - | - | - |
   Intended ROA | 3,668 | 0.896 | 0.887,0.905 | - | - | - |
   Injection | 49 | 0.010 | 0.007,0.013 | - | - | - |
   Inhalation | 795 | 0.171 | 0.160,0.183 | - | - | - |
   Chew | 759 | 0.163 | 0.152,0.175 | - | - | - |
   Other | 240 | 0.048 | 0.042,0.055 | - | - | - |
Oxycodone | 3,279 | - | - | 3,271 | -- | -- |
   Intended ROA | 2,671 | 0.824 | 0.810,0.837 | 2,034 | 0.621 | 0.603,0.639 |
   Injection | 208 | 0.052 | 0.045,0.059 | 803 | 0.221 | 0.207,0.236 |
   Inhalation | 932 | 0.260 | 0.245,0.276 | 1,502 | 0.444 | 0.426,0.463 |
   Chew | 650 | 0.175 | 0.162,0.188 | 605 | 0.162 | 0.150,0.175 |
   Other | 242 | 0.063 | 0.056,0.072 | 346 | 0.089 | 0.080,0.099 |
Fentanyl | 39 | - | - | 383 | - | - |
   Intended ROA | 5 | 0.081 | 0.032,0.090 | 33 | 0.060 | 0.043,0.085 |
   Injection | 4 | 0.062 | 0.022,0.163 | 85 | 0.171 | 0.138,0.210 |
   Inhalation | 7 | 0.120 | 0.054,0.244 | 6 | 0.010 | 0.004,0.023 |
   Chew | 7 | 0.119 | 0.054,0.243 | 39 | 0.072 | 0.052,0.098 |
   Other | 27 | 0.630 | 0.453,0.778 | 270 | 0.676 | 0.623,0.725 |
Hydromorphone | 626 | - | - | - | - | - |
   Intended ROA | 208 | 0.295 | 0.259,0.333 | - | - | - |
   Injection | 361 | 0.554 | 0.512,0.595 | - | - | - |
   Inhalation | 153 | 0.208 | 0.178,0.242 | - | - | - |
   Chew | 49 | 0.061 | 0.046,0.080 | - | - | - |
   Other | 51 | 0.064 | 0.048,0.084 | - | - | - |
Methadone | - | - | - | 2,426 | - | - |
   Intended ROA | - | - | - | 2,009 | 0.836 | 0.820,0.850 |
   Injection | - | - | - | 179 | 0.060 | 0.052,0.070 |
   Inhalation | - | - | - | 366 | 0.129 | 0.116,0.143 |
   Chew | - | - | - | 351 | 0.123 | 0.111,0.137 |
   Other | - | - | - | 350 | 0.123 | 0.111,0.136 |
Morphine | 408 | - | -- | 792 | - | - |
   Intended ROA | 146 | 0.332 | 0.286,0.381 | 336 | 0.389 | 0.354,0.425 |
   Injection | 232 | 0.558 | 0.506,0.608 | 382 | 0.451 | 0.415,0.488 |
   Inhalation | 81 | 0.173 | 0.140,0.213 | 222 | 0.242 | 0.213,0.274 |
   Chew | 45 | 0.092 | 0.069,0.123 | 89 | 0.089 | 0.072,0.109 |
   Other | 33 | 0.066 | 0.047,0.093 | 38 | 0.036 | 0.026,0.050 |
Oxymorphone | 30 | - | -- | 149 | - | - |
   Intended ROA | 14 | 0.388 | 0.226,0.578 | 47 | 0.249 | 0.187,0.324 |
   Injection | 6 | 0.129 | 0.054,0.280 | 12 | 0.055 | 0.031,0.096 |
   Inhalation | 18 | 0.535 | 0.344,0.716 | 114 | 0.738 | 0.654,0.807 |
   Chew | 4 | 0.081 | 0.028,0.212 | 23 | 0.109 | 0.072,0.163 |
   Other | 4 | 0.089 | 0.031,0.224 | 4 | 0.120 | 0.008,0.049 |