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Table 1 Description of 156 long-term OMT patients in Norway (NorComt study, Norway, 2012-2016)

From: Large and non-specific somatic disease burdens among ageing, long-term opioid maintenance treatment patients

  Total N (%) Women N (%) Men N (%)
 156 (100) 63 (40.4) 93 (59.6)
Sociodemographic variables
 Age (mean, SD) 47.9 (7.1) 46.7 (6.5) 48.6 (7.4)
 Nordic-born 150 (96.2) 62 (98.4) 88 (95.7)
 Unmarried/without partner 133 (86.9) 55 (88.7) 78 (85.7)
 Employed or studying 19 (12.2) 5 (8.1) 14 (15.4)
 Secondary education or higher 80 (51.6) 28 (45.2) 52 (55.9)
Treatment variables
 Type of OMT medication
  Methadone 89 (57.0) 38 (60.3) 51 (54.8)
  Buprenorphine monopreparate 42 (26.9) 16 (25.4) 26 (28.0)
  Buprenorphine + naloxone 22 (14.1) 6 (9.5) 16 (17.2)
  Other (Morphine) 1 (0.6) 1 (1.6) 0 (0.0)
 Total years in OMT (mean, SD) 10.6 (3.7) 11.0 (3.5) 10.4 (3.8)
Health and substance use
 SCL25 score (mean, SD) 1.35 (0.86) 1.54 (0.87) 1.23 (0.83)
 Substances used, past 6 months    
  Cannabis 83 (53.2) 32 (50.8) 51 (54.8)
  Any benzodiazepines 95 (60.6) 41 (65.1) 54 (58.1)
   -- Unprescribed benzodiazepines 61 (39.1) 27 (42.9) 34 (36.6)
   -- Prescribed benzodiazepines 44 (28.2) 22 (34.3) 22 (23.7)
  Amphetamines 33 (21.2) 12 (19.0) 21 (22.6)
  Alcohol 26 (16.7) 7 (11.1) 19 (20.4)
  Heroin 26 (16.7) 10 (15.9) 16 (17.2)
  Unprescribed OMT medicines 4 (2.6) 0 (0.0) 4 (4.3)
  Cocaine 2 (1.3) 0 (0.0) 2 (2.2)
  Ecstasy 2 (1.3) 0 (0.0) 1 (1.1)
  Crack 0 (0.0) 0 (0.0) 0 (0.0)
  LSD 0 (0.0) 0 (0.0) 0 (0.0)
 Any nicotine use 147 (94.2) 60 (95.2) 87 (93.5)
  Smoking 142 (91.0) 60 ( 95.2) 82 (88.2)
  Smokeless tobacco 20 (12.9) 3 (4.8) 17 (18.3)
  1. The majority of the 156 long-term opioid maintenance treatment patients interviewed were unemployed, had received less than a high school education, and exhibited clinically concerning mental distress. The average length of treatment was 10.6 years. Opioids and opiates were reported by only 19.3%
  2. OMT opioid maintenance treatment
  3. SCL25 Hopkins Symptoms Checklist-25