Table 1: Sample characteristics among opioid maintenance treatment patients in Malmo, Sweden ().

Characteristic n (%)Median years (range)

Sex
 Male47 (64%)
 Female22 (30%)
 Transgender/do not wish to define4 (6%)
Age in years 43 (22–66)
OMT medication
 Methadone42 (58%)
 Buprenorphine or buprenorphine-naloxone27 (37%)
Missing4 (5%)
Years in OMT 2 (0–8)
Missing
Illicit drug use in the last 30 days before OMT start
 Heroin63 (86%)
 Cannabis29 (40%)
 Cocaine23 (32%)
 Amphetamine18 (25%)
Nonmedical prescription drug use in the last 30 days before OMT start
 Benzodiazepines41 (56%)
 Methadone28 (38%)
 Other prescription opioids28 (38%)
 Buprenorphine18 (25%)
 Prescription stimulants10 (14%)