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Study Title and Description

Parent and Adolescent Motivational Enhancement Intervention for Substance-Using, Truant Adolescents: A Pilot Randomized Trial.



Key Questions Addressed
1 Evidence map
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Primary Publication Information
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TitleData
Title Parent and Adolescent Motivational Enhancement Intervention for Substance-Using, Truant Adolescents: A Pilot Randomized Trial.
Author Spirito A., Hernandez L., Cancilliere MK., Graves HR., Rodriguez AM., Operario D., Jones R., Barnett NP.
Country a Department of Psychiatry and Human Behavior , The Alpert Medical School of Brown University.
Year 2017
Numbers Pubmed ID: 29252011

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


Extraction Form: Evidence Map
Arms
Number Title Description Comments
1 MI Motivational enhancement therapy + Family Check Up
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2 Educ Pyschoeducation
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Design Details
Question... Follow Up Answer Follow-up Answer
Should this citation be included? Yes
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Ages eligible (in years) 13
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18
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Total sample size (in all arms) 82
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Age distribution of enrolled population (in years) 16
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Substance used Cannabis
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Interventions studied? Behavioral
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Outcome? Self report of use/abstinence and/or intensity
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Family functioning
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Legal
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Age variation of enrolled population (in years) 1.4
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Study type RCT
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Is any arm a brief intervention (or single session)? Yes
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Income level of country(ies) of origin Upper income
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Results & Comparisons


Results Data
Outcome: pct abstinent for alcohol      Population: All Participants
Time Point Measure MI Educ


0 months

Percentage 18 14
N Analyzed 34 35


3 months

Percentage 33 29
N Analyzed 32 33


6 months

Percentage 30 29
N Analyzed 32 35
Outcome: pct abstinent for cannabis      Population: All Participants
Time Point Measure MI Educ


0 months

Percentage 0 0
N Analyzed 34 35


3 months

Percentage 30 9
N Analyzed 32 33


6 months

Percentage 27 10
N Analyzed 32 35
Outcome: cannabis use days      Population: All Participants
Time Point Measure MI Educ


0 months

Mean 35 49
SD 29 35
N Analyzed 34 35


3 months

Mean 27 41
SD 35 36
N Analyzed 32 33


6 months

Mean 21 41
SD 28 35
N Analyzed 32 35


Quality Dimensions
Dimension Value Notes Comments
Intention-to-treat-analysis: Bias due to incomplete reporting and analysis according to group allocation Yes Per flow diagram
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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 None
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Compliance (performance bias): Performance bias due to inappropriate compliance with interventions across groups Yes 92% completion of sessions
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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 Same
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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 Urn randomization
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Allocation concealment (selection bias): Selection bias (biased allocation to interventions) due to inadequate concealment of allocations prior to assignment Low opaque envelope
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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. High Masked only at baseline
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Incomplete outcome data (attrition bias): Attrition bias due to amount, nature or handling of incomplete outcome data Low <10%
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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.