NADR: Site 18.

Methods	Quasi‐randomised assignment of individuals
Participants	177 participants not in drug treatment in the USA Mean age: 38 years Sex: 124 males, 53 females
Interventions	1. Psychoeducation 2. Standard education
Outcomes	Injection risk behaviour Sexual risk behaviour
Notes	No mention of blinding Very high attrition: 93% therefore not included in the meta‐analysis
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	D ‐ Not used