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Table 2 Prevalence of lifetime and 6 months pre-prison drug use 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

 Lifetimea, n (%)6 months pre-prison, n (%)
Type of drugb, cMenWomenTotalMenWomenTotal
Cannabis855 (61)54 (56)913 (61)634 (45)40 (42)677 (45)
Cocaine713 (51)45 (47)761 (51)350 (25)13 (14)365 (25)
(Meth) Amphetamine667 (48)48 (50)718 (48)457 (33)33 (34)490 (33)
Benzodiazepinesc612 (44)44 (46)659 (44)454 (33)35 (36)490 (33)
Ecstasy605 (43)40 (42)648 (43)153 (11)10 (10)163 (11)
GHB461 (33)33 (34)496 (33)211 (15)15 (16)226 (15)
LSD, PCP or Ketamine403 (29)22 (23)426 (28)98 (0.7)6 (0.6)104 (0.7)
Methylphenidate, e.g., Ritalin394 (28)29 (30)425 (28)101 (0.7)3 (0.3)104 (0.7)
Morphine394 (28)24 (25)419 (28)179 (13)11 (0.11)190 (13)
Methadone, Buprenorphine390 (28)25 (26)416 (28)199 (14)17 (18)217 (14)
Heroin361 (26)26 (27)398 (26)155 (11)13 (14)168 (11)
Anabolic steroids346 (25)4 (0.4)350 (23)119 (0.9)1 (0.1)120 (0.8)
Synthetic cannabis320 (23)18 (19)338 (23)112 (0.8)6 (0.6)119 (0.8)
Inhalants307 (22)20 (21)328 (22)79 (0.6)3 (0.3)82 (0.5)
Other drugs/medications201 (14)12 (13)214 (14)106 (0.8)5 (0.5)112 (0.7)
  1. a526 persons reported never having used drug
  2. bDrugs/groups are not mutually exclusive
  3. cAll medications listed are non-prescribed medications