Affiliation:
1. Centre for Addiction and Mental Health
2. Western University
3. University of Ottawa
Abstract
Abstract
Background
This study examined trends in cannabis and alcohol use among Canadian adults and across socio-economic subgroups over four waves of the COVID-19 pandemic from 2020 to 2022. Interactions between socio-economic status (SES) and gender, ethnicity/race, and age as they are associated with alcohol and cannabis use were examined.
Methods
Data were obtained from nine successive web-based cross-sectional surveys of adults living in Canada (8,943 participants) performed from May 2020 to January 2022. Substance use measurements included self-reported changes in alcohol and cannabis use compared to before the pandemic, heavy episodic drinking (HED) (i.e., consumption of 4 or 5 standard drinks on one drinking occasion in the past 7 days for men and women respectively), and cannabis use in the past 7 days. The Wilcoxon rank-sum test was used to test for equality of the prevalence of substance use. Logistic regression models were used to assess the associations of SES and its interactions with gender, ethnicity/race, and age with alcohol and cannabis use.
Results
The prevalence of increased alcohol and cannabis use differed through the pandemic waves depending on SES. The prevalence of HED and increased cannabis use were similar across SES groups. Having a moderate or high household income, and being unemployed was associated with HED and increased alcohol use. Women with a high household income ($120,000+) and a high household income and aged 40–59 years were associated with increased alcohol use compared to men. Non-White individuals who reported other impacts of COVID-19 on their work had lower odds of reporting increased alcohol use. Protective factors associated with cannabis use included having a university degree, being a senior with a moderate/high household income, being aged 40–59 years with a university degree, being a senior with at least a post-secondary level education, and being a highly educated non-White individual.
Conclusions
Associations between SES and substance use differ by gender, race and age. To reduce health disparities, public health interventions should account for these interactions.
Publisher
Research Square Platform LLC
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