Abstract
This study examined the feasibility of using ecological momentary assessment (EMA) to disentangle medicinal cannabis use (MCU) from recreational cannabis use (RCU) among people living HIV (PLWH). Over a 14-day period, PLWH (N = 29) who engaged in both MCU and RCU completed a smartphone-based survey before and after every cannabis use event assessing general motivation for cannabis use (MCU-only, RCU-only, or mixed MCU/RCU), cannabis use behavior, and several antecedents and outcomes of cannabis use. A total of 739 pre-cannabis surveys were completed; 590 (80%) of the prompted post-cannabis surveys were completed. Motives for cannabis use were reported as MCU-only on 24%, RCU-only on 30%, and mixed MCU/RCU on 46% of pre-cannabis surveys. Mixed effects models examined within-person differences across MCU-only, RCU-only, and mixed MCU/RCU events. Results showed that relative to RCU-only events, MCU-only events were more likely to involve symptom management and drug substitution motives, physical and sleep-related symptoms, solitary cannabis use, and use of cannabis oils and sprays; MCU-only events were less likely to involve relaxation, happiness, and wellness motives, cannabis flower use, and positive cannabis consequences. Differences between mixed MCU/RCU and RCU-only events were similar, except that mixed MCU/RCU events were additionally associated with stress reduction motives and symptoms of anxiety and depression. Findings support the feasibility of partially disentangling MCU and RCU behavior among PLWH who engage in concurrent MCU and RCU. This study highlights the need for more EMA studies isolating MCU from RCU to inform ongoing changes to cannabis policies.
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De-identified study data and study materials are available upon request, subject to any applicable ethics approval.
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Data analysis syntax/code is available upon request.
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Acknowledgements
The authors wish to thank Dinat Khan, Korina Toguba, Dennis Padilla, and Katalin Halasz for their assistance with data collection for this study.
Funding
This research was supported by grants from the Canadian Institutes of Health Research Canadian HIV Trials Network (CTN PT037; PIs: Jeffrey D. Wardell and Sergio Rueda) and from the Canadian Institutes of Health Research (159754; PIs: Jeffrey D. Wardell and Christian S. Hendershot). The views expressed herein do not necessarily represent the official policy of the Canadian Institutes of Health Research. Sergio Rueda holds an Innovator Award from the Ontario HIV Treatment Network. Cecilia T. Costiniuk holds a FRQ-S Junior 2 Clinician-Researcher Career Award. Mohammad-Ali Jenabian holds the Tier 2 CIHR Canada Research Chair in Immuno-Virology.
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All authors contributed to the study conceptualization and design, and to the development of the funding proposal. Jeffrey D. Wardell and Sergio Rueda led the study. Preparation of study materials, development of the study protocol, community outreach, and participant recruitment were performed by Nicolle Fox, Shari Margolese, and Enrico Mandarino. Data analyses were performed by Jeffrey D. Wardell with guidance from Joel Singer; Sergio Rueda, Shari Margolese, Enrico Mandarino, and Nicolle Fox all contributed to interpretation of the results. Jeffrey D. Wardell wrote the first draft of the manuscript with assistance from Nicolle Fox, and all authors provided feedback on earlier versions of the manuscript. All authors have read and approved the final version of the article.
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All study procedures were approved by the Human Participants Review Committee of the York University Research Ethics Board (certificate # 2020 − 280).
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Wardell, J.D., Rueda, S., Fox, N. et al. Disentangling Medicinal and Recreational cannabis Use Among People Living with HIV: An Ecological Momentary Assessment Study. AIDS Behav 27, 1350–1363 (2023). https://doi.org/10.1007/s10461-022-03871-7
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DOI: https://doi.org/10.1007/s10461-022-03871-7