Clair 2013.
| Methods |
Design: RCT Follow‐up: 3 months Attrition: 22% |
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| Participants |
Mean age (years): 17.12 Sex: 86% male N participants: 147 Allocation: not reported Setting: state juvenile correctional facility; higher risk young adults Country: USA |
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| Interventions |
Programme type: motivational interviewing Set‐up: individual single session + booster Key components: principles of MI were the basis of the intervention protocol. The protocol included developing rapport, exploration of motivation (pros and cons), personalised assessment feedback, imagining the future with and without change, and establishing goals at booster Duration: 90 min at baseline and about 60 min at booster Control: alternative intervention |
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| Outcomes |
Outcomes: total number of drinks on heavy drinking days (NDHD) and percentage of heavy drinking days (PHDD) Measures: Timeline Followback |
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| Funding and Declared Conflicts of Interest | Funded by NIAAA and NIDA. No information or declarations about potential conflicts of interest | |
| Notes | Not included in the MA: insufficient information in the published paper. Author contacted for more details | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Random sequence generation (selection bias) | Low risk | Randomisation was accomplished via random numbers table in advance |
| Allocation concealment (selection bias) | High risk | "[P]laced in an envelope by the project coordinator. Following baseline assessment, treatment providers opened the envelope to learn of intervention assignment" |
| Incomplete outcome data (attrition bias) All outcomes | High risk | Attrition 22% |
| Selective reporting (reporting bias) | Low risk | All alcohol outcomes reported |
| Blinding of participants and personnel (performance bias) All outcomes | High risk | Not possible to blind participants to intervention. Insufficient information to make a judgement about blinding of therapists |
| Blinding of outcome assessment (detection bias) All outcomes | Low risk | Research staff blind to treatment assignment conducted a follow‐up assessment 3 months after release from the facility |
| Unit of Analysis issues | Low risk | Not applicable |