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Table 3 Prevalence of drug use during former and current imprisonment by type of drug and gender (n = 1499)

From: Factors associated with drug use in prison – results from the Norwegian offender mental health and addiction (NorMA) study

 Previous imprisonment, n (%)Current imprisonment, n (%)
Type of drugaMenWomenTotalMenWomenTotal
Cannabis381 (27)12 (13)396 (26)230 (17)6 (6)238 (16)
Cocaine63 (5)8 (8)63 (4)26 (2)26 (2)
(Meth) Amphetamine180 (13)3 (3)188 (13)65 (5)4 (4)69 (5)
Benzodiazepines339 (24)7 (7)347 (24)166 (12)5 (5)172 (12)
Ecstasy29 (2)29 (2)9 (1)9 (1)
GHB46 (3)2 (2)48 (3)19 (1)1 (1)20 (1)
LSD, PCP or Ketamine13 (1)13 (1)7 (1)7 (1)
Methylphenidate, e.g., Ritalin85 (6)85 (6)39 (3)39 (3)
Morphine77 (6)77 (5)30 (2)30 (2)
Methadone, Buprenorphine212 (15)7 (7)219 (15)163 (12)7 (7)170 (11)
Heroin101 (7)8 (8)109 (7)29 (2)1 (1)30 (2)
Anabolic steroids57 (4)57 (4)17 (1)17 (1)
Synthetic cannabis66 (5)66 (4)43 (3)43 (3)
Inhalants26 (2)1 (1)27 (2)11 (1)11 (1)
Other drugs/medications22 (2)23 (2)13 (1)14 (1)
  1. aGroups are not mutually exclusive