APPENDIX B
RANDOM MANDATORY DRUG TESTING POSITIVE RATES,
BY DRUG
|
| Year | Overall
| Cannabis | Opiates
| Cocaine | Benzodiazepines
| Methadone | Amphetamines
| Barbiturates | LSD
| Buprenorphine* |
|
| 1996-97 | 24.4%
| 20.2% | 5.4%
| 0.2% | 1.4%
| 0.2% | 0.2%
| 0.0% | 0.0%
| - |
| 1997-98 | 20.8%
| 17.2% | 4.3%
| 0.2% | 1.3%
| 0.1% | 0.2%
| 0.0% | 0.0%
| - |
| 1998-99 | 18.1%
| 14.5% | 4.5%
| 0.2% | 1.3%
| 0.1% | 0.1%
| 0.0% | 0.0%
| - |
| 1999-2000 | 14.4%
| 10.4% | 4.3%
| 0.2% | 1.1%
| 0.1% | 0.1%
| 0.0% | 0.0%
| - |
| 2000-01 | 12.2%
| 7.5% | 4.6%
| 0.2% | 1.2%
| 0.0% | 0.0%
| 0.0% | 0.0%
| - |
| 2001-02 | 11.5%
| 6.8% | 4.6%
| 0.2% | 1.2%
| 0.0% | 0.1%
| 0.0% | 0.0%
| - |
| 2002-03 | 11.7%
| 7.6% | 3.6%
| 0.2% | 1.4%
| 0.0% | 0.0%
| 0.0% | 0.0%
| - |
| 2003-04 | 12.5%
| 8.6% | 3.3%
| 0.2% | 1.6%
| 0.1% | 0.1%
| 0.0% | 0.0%
| - |
| 2004-05 | 11.8%
| 7.7% | 3.9%
| 0.2% | 1.2%
| 0.2% | 0.1%
| 0.0% | 0.0%
| - |
| 2005-06 | 10.3%
| 6.5% | 3.6%
| 0.2% | 1.0%
| 0.2% | 0.1%
| 0.0% | 0.0%
| - |
| 2006-07 | 8.8%
| 4.3% | 4.0%
| 0.2% | 0.9%
| 0.2% | 0.1%
| 0.1% | 0.0%
| - |
| 2007-08 | 9.1%
| 4.1% | 4.3%
| 0.2% | 0.9%
| 0.4% | 0.1%
| 0.0% | 0.0%
| |
| 2008-09 | 7.7%
(9.2% including
buprenorphine)
| 3.7% | 3.4%
| 0.2% | 0.9%
| 0.3% | 0.0%
| 0.0% | 0.0%
| 2.1% |
|
* In 2008-09 7.7% of random mandatory drug tests were positive for a substance counting towards the Prison Service Key Performance Indicator figures—cannabisl opiates, cocaine, methadone, amphetamine, LSD, benzodiazepines and barbiturates. This is a like-for-like comparison with previous years, including the 1996-97 positive rate of 24.4%.
From April 2008 all samples were also tested for buprenorphine. Positives for this drug did not count towards the KPI figures. This allowed a year of shadow reporting to gain a clear understanding of the impact. 2.1% of random mandatory drug tests were positive for buprenorphine; had these been included in the overall positive rate it would have been 9.2% (some prisoners test positive for more than one drug, which is counted only once in the overall total). From April 2009 random mandatory drug tests positive for buprenorphine will count towards the KPI figures.
All data have been drawn from administrative IT systems. Although care is taken when processing and analysing returns the detail is subject to the inaccuracies inherent in any large scale recording system. The data are not subject to audit.
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