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Study Title and Description

The Cannabis Youth Treatment (CYT) Study: main findings from two randomized trials.



Key Questions Addressed
1 Evidence map
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Primary Publication Information
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TitleData
Title The Cannabis Youth Treatment (CYT) Study: main findings from two randomized trials.
Author Dennis M., Godley SH., Diamond G., Tims FM., Babor T., Donaldson J., Liddle H., Titus JC., Kaminer Y., Webb C., Hamilton N., Funk R.
Country Chestnut Health Systems, Bloomington, IL 61701, USA. mdennis@chestnut.org
Year 2004
Numbers Pubmed ID: 15501373b (Trial 2)

Secondary Publication Information
There are currently no secondary publications defined for this study.


Extraction Form: Evidence Map
Arms
Number Title Description Comments
1 CBT_MI Motivational Enhancement Treatment/Cognitive Behavior Therapy, 5 Sessions (MET/CBT5)
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2 CBT Adolescent Community Reinforcement Approach
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3 Fam Multidimensional Family Therapy
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Design Details
Question... Follow Up Answer Follow-up Answer




Results & Comparisons


Results Data
Outcome: pct abstinent for cannabis      Population: All Participants
Time Point Measure CBT_MI CBT Fam


0 months

N Analyzed 100 100 100
Counts


12 months

N Analyzed 100 100 100
Counts 23 34 19


Quality Dimensions
Dimension Value Notes Comments
Intention-to-treat-analysis: Bias due to incomplete reporting and analysis according to group allocation Yes
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Group similarity at baseline (selection bias): Selection bias due to dissimilarity at baseline for the most important prognostic indicators Yes
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Co-interventions (performance bias): Performance bias because co-interventions were different across groups Yes
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Compliance (performance bias): Performance bias due to inappropriate compliance with interventions across groups No Data
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Timing of outcome assessments (detection bias): Detection bias because important outcomes were not measured at the same time across groups Yes
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Additional Bias: Bias due to problems not covered elsewhere in the table. If yes, describe them in the Notes. No
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Random sequence generation (selection bias): Selection bias (biased allocation to interventions) due to inadequate generation of a randomized sequence Low
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Allocation concealment (selection bias): Selection bias (biased allocation to interventions) due to inadequate concealment of allocations prior to assignment Low
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Blinding of participants (performance bias): Performance bias due to knowledge of the allocated interventions by participants during the study High
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Blinding of personnel/ care providers (performance bias): Performance bias due to knowledge of the allocated interventions by personnel/care providers during the study. High
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Blinding of outcome assessor (detection bias): Detection bias due to knowledge of the allocated interventions by outcome assessors. Low
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Incomplete outcome data (attrition bias): Attrition bias due to amount, nature or handling of incomplete outcome data Low
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Selective Reporting (reporting bias): Reporting bias due to selective outcome reporting
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Quality Rating
No quality rating data was found.