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Table 1 Demographic characteristics, mental health, crime and substance use by gender (n = 1499)

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

 Mena (n = 1396)Womena (n = 96)Total (n = 1499)Missing values, n (%)
Sociodemographic factors
 Ageb, mean (SD)35 (11.3)35 (10.5)35 (11.3)131 (8.7)
 History of family problems, n (%)407 (29.2)47 (49.0)457 (30.5)61 (4.1)
 Non-Nordic borne, n (%)385 (27.6)15 (15.6)404 (27.0)49 (3.3)
 Secondary school or more, n (%)866 (62.0)48 (50.0)919 (61.3)23 (1.5)
 Work or study before incarceration, n (%)688 (49.3)36 (37.5)721 (48.1)50 (3.3)
Current mental health
 HSCL10 scorebmean (SD)1.9 (0.8)2.1 (0.8)1.9 (0.8)320 (21.3)
Crime
 Crime related to current incarceration   88 (5.9)
  Acquisitive crime, n (%)420 (30.1)26 (27.1)450 (30.0)
  Drug crime, n (%)573 (41.0)33 (34.4)609 (40.6)
  Violence, n (%)574 (41.1)31 (32.3)606 (40.4)
  Driving under the influence, n (%)229 (16.4)14 (14.6)243 (16.2)
Drug use measures
 Number of drugs used in lifetimeb,c, mean (SD)5.4 (5.6)5.0 (5.2)5.4 (5.6)58 (3.9)
 Injection drug use in lifetime, n (%)401 (28.7)29 (30.2)431 (28.8)454 (30.3)
 Daily use of drugs before prison, n (%)656 (47.0)43 (44.8)702 (46.8)163 (10.9)
 Harmful substance use pre-incarceration, n (%)876 (62.8)57 (59.4)933 (62.2)35 (2.3)
 Intoxicated when committing the crime, n (%)885 (63.4)60 (62.5)947 (63.2)127 (8.5)
  1. aGender: 7 missing values
  2. bContinuous variable
  3. cIncluding non-prescribed medications