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| Methods | Random assignment of individuals | |
| Participants | 50 participants receiving MTT in USA Mean age: 40 years Sex: 33 males and 17 females |
|
| Interventions | 1. Psychoeducation: 3 sessions education and behavioural skills training 2. Control |
|
| Outcomes | Injection risk behaviour Sexual risk behaviour |
|
| Notes | No mention of blinding | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment? | Low risk | A ‐ Adequate (used sealed envelopes) |
