Significance
Despite numerous observational studies measuring the same endpoints from cannabis use (e.g., pain, anxiety, sleep, quality of life, functioning), there has been an absence of a unified framework for accurately measuring the health outcomes of cannabis use. Indeed, large cohort studies often use different assessment tools for the same health-related endpoint. This diversity of assessment approaches of cannabis effects has led to significant challenges and an inability to validly compare results across studies or integrate the data into a larger cohesive cannabis dataset from which more nuanced analyses could be conducted.
Description
The Core Assessment Battery for Cannabis (CABC) is a core set of validated questionnaires that will be recommended for use by all researchers in future studies of the health effects of cannabis use.
Goal
Adoption of the CABC allows for better cross-study comparison and facilitates data harmonization across studies, which greatly increases the ability to:
- Study the effects of medicinal cannabis use on rare health conditions,
- Differentiate types or doses of cannabis for particular health conditions, or
- Evaluate effects among smaller subgroups of patients.
CABC
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All data collected using the CABC is deposited in and serves as the foundational dataset for a data repository for medicinal cannabis use and related health effects. Access to the data repository is free for non-profit scientists and we intend to launch a pilot grant program to support early career investigators interested in using the data in the later years.
Core Assessment Battery for Cannabis (CABC) Description of Measures
Category: Health and Functioning
Domain: Quality of Life
- World Health Organization Quality of Life Brief (WHOQOL-BREF)
- Instructions for access: Required to fill out a permission form
- Find it: WHOQOL-BREF
Domain: Functioning
- Brief Inventory of Psychosocial Functioning (B-IPF)
- Instructions for access: Freely open to use
- Find it: B-IPF
Domain: Pain
- Brief Pain Inventory Short Form (BPI-SF)
- Instructions for access: Online form needs to be submitted to order the BPI for use in research. This measure may have fees associated with it based on the funding status of the research.
- Find it: Request through the University of Texas MD Anderson Cancer Center
Domain: Mental Health – Anxiety and Depression
- Inventory of Depression and Anxiety Symptoms (IDAS)
- Instructions for access: Must create login to access
- Find it: IDAS
Domain: Sleep
- Insomnia Severity Index (ISI)
- Instructions for access: Must create login to access. This measure may have fees associated with it based on the funding status of the research.
- Find it: ISI
Category: Cannabis Use Behavior
Domain: Cannabis Product and Quantity
- Cannabis Use Questionnaire (CUQ)
- Instructions for access: Freely open to use
- Find it: CUQ
Category: Ancillary Recommended Measures
Domain: Motives for Cannabis
- Comprehensive Marijuana Motives Questionnaire (CMMQ)
- Instructions for access: Need to contact
- Find it: Contact Christine Lee, PhD ([email protected])
Domain: Cannabis Use Expectancies
- Cannabis Effects Expectancy Questionnaire–Medical (CEEQ–M)
- Instructions for access: Click on supplementary table and go to appendix to find the measure
- Find it: CEEQ–M
CHRI aims to inform clinical decision-making, product development and public policy related to the therapeutic use of cannabinoids.