Advanced Search

Study Preview



Study Title and Description

Clinic- and home-based contingency management plus parent training for adolescent cannabis use disorders.



Key Questions Addressed
1 Evidence map
  • Comments Comments (
    0
    ) |

Primary Publication Information
  • Comments Comments (
    0
    ) |
TitleData
Title Clinic- and home-based contingency management plus parent training for adolescent cannabis use disorders.
Author Stanger C., Ryan SR., Scherer EA., Norton GE., Budney AJ.
Country Geisel School of Medicine at Dartmouth College, Lebanon, NH. Electronic address: Catherine.stanger@dartmouth.edu.
Year 2015
Numbers Pubmed ID: 26004659

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 therapy/cognitive-behavioral therapy (MET/CBT)
  • Comments Comments (
    0
    ) |
2 CBT_MI_CM_a MET/CBT+abstinence-based contingency management (CM)
  • Comments Comments (
    0
    ) |
3 CBT_MI_CM_b MET/CBT+CM+Parent Training (PT)
  • Comments Comments (
    0
    ) |

Design Details
Question... Follow Up Answer Follow-up Answer
Should this citation be included? Yes
  • Comments Comments (
    0
    ) |
Does this paper originate from a primary study of interest? No
  • Comments Comments (
    0
    ) |
Ages eligible (in years) 12
  • Comments Comments (
    0
    ) |
18
  • Comments Comments (
    0
    ) |
Total sample size (in all arms) 75
  • Comments Comments (
    0
    ) |
Age distribution of enrolled population (in years) 16.1
  • Comments Comments (
    0
    ) |
  • Comments Comments (
    0
    ) |
Substance used Alcohol
  • Comments Comments (
    0
    ) |
Cannabis
  • Comments Comments (
    0
    ) |
Opioid
  • Comments Comments (
    0
    ) |
Stimulant
  • Comments Comments (
    0
    ) |
Interventions studied? Behavioral
  • Comments Comments (
    0
    ) |
Outcome? Objective measurement of use/abstinence and/or intensity
  • Comments Comments (
    0
    ) |
Self report of use/abstinence and/or intensity
  • Comments Comments (
    0
    ) |
Age variation of enrolled population (in years) 1.2
  • Comments Comments (
    0
    ) |
  • Comments Comments (
    0
    ) |
  • Comments Comments (
    0
    ) |
  • Comments Comments (
    0
    ) |
  • Comments Comments (
    0
    ) |
Study type RCT
  • Comments Comments (
    0
    ) |
Is any arm a brief intervention (or single session)? No
  • Comments Comments (
    0
    ) |
Income level of country(ies) of origin ... Country(ies) name(s) Unclear ... United States
  • Comments Comments (
    0
    ) |




Results & Comparisons


Results Data
Outcome: pct abstinent for cannabis      Population: All Participants
Time Point Measure CBT_MI CBT_MI_CM_a CBT_MI_CM_b


0 months

N Analyzed 40 40 40
Counts 25 30 25


3 months

N Analyzed 29 31 29
Counts 12 12 12


6 months

N Analyzed 26 30 26
Counts 10 5 10


9 months

N Analyzed 27 29 27
Counts 5 7 5


12 months

N Analyzed 30 33 30
Counts 9 7 9
Outcome: cannabis use days      Population: All Participants
Time Point Measure CBT_MI CBT_MI_CM_a CBT_MI_CM_b


0 months

N Analyzed 45 44 49
Mean 1.3 1.1 1.2
SD 1 1.1 1


3 months

N Analyzed 38 38 42
Mean 1.2 1.3 1.4
SD 0.9 1 1.2


6 months

N Analyzed 37 3.6 40
Mean 1.6 1.5 1.3
SD 1.1 1.1 1.2


9 months

N Analyzed 35 34 37
Mean 1.5 1.7 1.5
SD 1.1 1.1 1.2


12 months

N Analyzed 34 33 35
Mean 1.6 1.8 1.5
SD 1 1.1 1.1


Quality Dimensions
Dimension Value Notes Comments
Intention-to-treat-analysis: Bias due to incomplete reporting and analysis according to group allocation Yes
  • Comments Comments (
    0
    ) |
Group similarity at baseline (selection bias): Selection bias due to dissimilarity at baseline for the most important prognostic indicators Yes
  • Comments Comments (
    0
    ) |
Co-interventions (performance bias): Performance bias because co-interventions were different across groups Yes
  • Comments Comments (
    0
    ) |
Compliance (performance bias): Performance bias due to inappropriate compliance with interventions across groups Yes
  • Comments Comments (
    0
    ) |
Timing of outcome assessments (detection bias): Detection bias because important outcomes were not measured at the same time across groups Yes
  • Comments Comments (
    0
    ) |
Additional Bias: Bias due to problems not covered elsewhere in the table. If yes, describe them in the Notes. No
  • Comments Comments (
    0
    ) |
Random sequence generation (selection bias): Selection bias (biased allocation to interventions) due to inadequate generation of a randomized sequence Unclear
  • Comments Comments (
    0
    ) |
Allocation concealment (selection bias): Selection bias (biased allocation to interventions) due to inadequate concealment of allocations prior to assignment Unclear
  • Comments Comments (
    0
    ) |
Blinding of participants (performance bias): Performance bias due to knowledge of the allocated interventions by participants during the study High
  • Comments Comments (
    0
    ) |
Blinding of personnel/ care providers (performance bias): Performance bias due to knowledge of the allocated interventions by personnel/care providers during the study. High
  • Comments Comments (
    0
    ) |
Blinding of outcome assessor (detection bias): Detection bias due to knowledge of the allocated interventions by outcome assessors. High
  • Comments Comments (
    0
    ) |
Incomplete outcome data (attrition bias): Attrition bias due to amount, nature or handling of incomplete outcome data High
  • Comments Comments (
    0
    ) |
Selective Reporting (reporting bias): Reporting bias due to selective outcome reporting
  • Comments Comments (
    0
    ) |

Quality Rating
No quality rating data was found.