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Table 1 Demographics and substance habits that study participants report prior to incarceration

From: Overdose prevention training with naloxone distribution in a prison in Oslo, Norway: a preliminary study

  N (%)
Gender, males 31 (100)
Age, mean (SD) 35.6 (9.3)
Frequency of opioid use
 Daily 9 (29)
 Almost daily 2 (6.5)
 Previously 13 (41.9)
 Never 7 (22.6)
Detoxification occurred in last 30 days 2 (6.5)
Receiving OMT 15 (48.3)
Uses drugs alone
 Sometimes 7 (22.6)
 Often 4 (12.9)
 Most of the time 2 (6.5)
 All of the time 1 (3.2)
 Never 2 (6.5)
 Missing/not applicable 15 (48.3)
Mixes opioids witha
 Alcohol 5 (16.1)
 Benzodiazepines 10 (32.3)
 Cocaine 2 (6.5)
 Methamphetamine 13 (41.9)
 GHB/GBL 4 (12.9)
 Other 2 (6.5)
Mode of administration
 Injecting 14 (45.2)
 Smoking 1 (3.2)
 Snorting 1 (3.2)
 No response 15 (48.4)
Witnessed an overdose previously
 1–10 times 13 (41.9)
 11–20 times 5 (16.1)
 More than 20 times 11 (35.5)
 Never 2 (6.5)
Experienced an overdose personally
 1–10 times 14 (45.2)
 11–20 times 4 (12.9)
 More than 20 times 3 (9.6)
 Never 10 (32.3)
  1. SD standard deviation, OMT opioid maintenance treatment, CPR cardio-pulmonary resuscitation, GHB/GBL gamma hydroxybutyrate/gamma butyrolactone
  2. aMultiple responses possible