Cochrane · systematic review · CD008969
Brief school‐based interventions and behavioural outcomes for substance‐using adolescents
Carney, T, Myers, BJ, Louw, J, et al. · Cochrane Database of Systematic Reviews · 2016 · Cochrane Library
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
10
current version
GRADE rated
10
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 5 · 50%Moderate 5 · 50%High 0 · 0%
Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.
Questions and results
Current version onlyBrief intervention compared to information provision for substance‐using adolescents
Population: Substance‐using adolescents
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Alcohol frequency Self report questionnaires Medium‐term Brief intervention vs information provision | no estimate extracted | 2 studies · 434 participants | Moderate Downgraded: risk of bias |
Alcohol quantity Self report questionnaires Medium‐term Brief intervention vs information provision | no estimate extracted | 2 studies · 434 participants | Moderate Downgraded: risk of bias |
Cannabis dependence Self report questionnaires Short‐term Brief intervention vs information provision | no estimate extracted | 2 studies · 470 participants | Moderate Downgraded: risk of bias |
Cannabis frequency Self report questionnaires Short‐term Brief intervention vs information provision | no estimate extracted | 2 studies · 470 participants | Moderate Downgraded: risk of bias |
Secondary outcomes related to substance use Self report questionnaires Short‐term Brief intervention vs information provision | no estimate extracted | 2 studies · 470 participants | Moderate Downgraded: risk of bias |
Brief intervention compared to assessment only for substance‐using adolescents
Population: Substance‐using adolescents
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Alcohol frequency Self report questionnaires Medium‐term Brief intervention vs assessment only | no estimate extracted | 2 studies · 242 participants | Low Downgraded: risk of bias, imprecision |
Alcohol quantity Self report questionnaires Medium‐term Brief intervention vs assessment only | no estimate extracted | 1 study · 179 participants | Low Downgraded: risk of bias, imprecision |
Cannabis dependence Self report questionnaires Medium‐term Brief intervention vs assessment only | no estimate extracted | 1 study · 190 participants | Low Downgraded: risk of bias, imprecision |
Cannabis frequency Self report questionnaires Long‐term Brief intervention vs assessment only | no estimate extracted | 2 studies · 338 participants | Low Downgraded: risk of bias, imprecision |
Secondary outcomes related to substance use Self report questionnaires Medium‐term Brief intervention vs assessment only | no estimate extracted | 2 studies · 242 participants | Low Downgraded: risk of bias, imprecision |
Brief intervention compared to information provision for substance‐using adolescents
Population: Substance‐using adolescents
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
General substance use outcomes Self‐Report Questionnaires Brief intervention vs information provision | no estimate extracted | 3 studies · 732 participants | Moderate Downgraded: risk of bias |
Alcohol frequency Self‐Report Questionnaires Brief intervention vs information provision | no estimate extracted | 2 studies · 527 participants | Moderate Downgraded: risk of bias |
Alcohol quantity Self‐Report Questionnaires Brief intervention vs information provision | no estimate extracted | 2 studies · 527 participants | Moderate Downgraded: risk of bias |
Tobacco frequency Self‐Report Questionnaires Brief intervention vs information provision | no estimate extracted | 1 study · 326 participants | Moderate Downgraded: risk of bias |
Cannabis quantity Self‐Report Questionnaires Brief intervention vs information provision | no estimate extracted | 1 study · 326 participants | Moderate Downgraded: risk of bias |
Cannabis frequency Self‐Report Questionnaires Brief intervention vs information provision | no estimate extracted | 2 studies · 531 participants | Moderate Downgraded: risk of bias |
All behavioural outcomes Self‐Report Questionnaires Brief intervention vs information provision | no estimate extracted | 2 studies · 531 participants | Low Downgraded: risk of bias |
Brief intervention compared to assessment only for substance‐using adolescents
Population: Substance‐using adolescents
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
General substance use outcomes Brief intervention vs assessment only | no estimate extracted | 3 studies · 407 participants | Moderate Downgraded: risk of bias |
Alcohol frequency Brief intervention vs assessment only | no estimate extracted | 3 studies · 407 participants | Low Downgraded: risk of bias, imprecision |
Alcohol quantity Brief intervention vs assessment only | no estimate extracted | 1 study · 179 participants | Low Downgraded: risk of bias, imprecision |
Tobacco frequency Brief intervention vs assessment only | no estimate extracted | 1 study · 162 participants | Low Downgraded: risk of bias, imprecision |
Cannabis frequency Brief intervention vs assessment only | no estimate extracted | 3 studies · 407 participants | Low Downgraded: risk of bias |
Cannabis quantity Brief intervention vs assessment only | no estimate extracted | 1 study · 179 participants | Low Downgraded: risk of bias, imprecision |
All behavioural outcomes Brief intervention vs assessment only | no estimate extracted | 2 studies · 245 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |