Prevalence and Correlates of Cannabis Use among Cancer Survivors

Abstract Background Delaware has legalized marijuana use for both medical and recreational use. This study identified factors associated with cannabis use among adults with chronic relative to individuals without a history of cancer in the First State. Methods Combined data (2020, 2021 and 2022) from the Behavioral Risk Factor Surveillance System (BRFSS) were analyzed for Delaware. Multivariable logistic regression examined individual-level demographic, socio-economic, clinical, and behavioral predictors associated with marijuana use stratified by history of cancer. Results Cannabis use was lower among cancer survivors compared to individuals with no history of cancer (6.76% vs. 13.43%). However, a higher proportion of cancer survivors reported use for medical purposes (75.13% vs. 64.28%). Marijuana use prevalence decreased with age among cancer survivors. After adjusting for sex, age, educational attainment, self-reported race/ethnicity, mental health status and physical health status, current smoking (odds ratio [OR], 4.24 vs. 2.74) and binge drinking (OR, 2.45 vs. 1.75) were associated with cannabis use in both groups. Conclusions Adults with cancer were more likely to use marijuana. Marijuana use prevalence decreased with age. Public perceptions of marijuana is becoming more acceptable. Risk of medical conditions such as cancer increase with age. As such, older adults might also become consumers of marijuana. Clinicians should screen for marijuana use among patients and initiate open discussions with patients about the benefits and risks associated with marijuana. Key messages • Need for ongoing cannabis research to better understand and inform its use for medical purposes. • Development of high-quality standardized education materials and clinical practice guidelines for marijuana use.