“…Thirty studies reported outcomes related to relapse/drug use at follow‐up using a variety of 20 self‐report and 12 objective measures. Self‐reported measures included interviews such as the Interview for Research on Addictive Behaviour [ 60 ] and self‐administered questionnaires such as the Alcohol Use Disorders Identification Test [ 26 , 61 ], Drug Use Disorders Identification Test and the Drug Use Disorders Identification Test‐Extended E [ 62 ], the Cannabis Problems Questionnaire and the Short Form‐12 [ 56 ] and the Severity of Dependence Scale [ 56 , 63 ]. Assessments took place at different intervals, ranging from 2 weeks [ 14 , 24 , 56 ] to 3 years after discharge [ 64 ].…”