Τρίτη 14 Ιανουαρίου 2020

Development of a Cannabis Assessment Tool (CAT-1) to measure current and lifetime marijuana use among older Veterans

Development of a Cannabis Assessment Tool (CAT-1) to measure current and lifetime marijuana use among older Veterans: Objective

To develop a tool to assess current (past 30 days) and lifetime marijuana use in older Veterans.

Setting

US Veteran’s Affairs Healthcare System.

Participants

704 older Veterans were screened, 339 completed the initial survey, 100 completed the follow-up.

Primary outcome measure

Pearson’s correlation coefficient to assess strength of association between initial and follow-up survey on measures of current and lifetime marijuana use.

Results

Both a ‘gram-month’ measure of marijuana smoked in the past 30 days (r=0.83) and a frequency-based measure assessing total number of times smoked in the past 30 days were reliable (r=0.89). Both a simple categorical measure of lifetime use (agreement=85%) and a continuous measure of lifetime use (r=0.82) were reliable.

Conclusions

The Cannabis Assessment Tool offers a reliable assessment of past 30 days and lifetime assessments of smoking cannabis in older adults.

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