A cohort-based assessment of drug use trends during the COVID-19 pandemic: relationship with mood and sociodemographic factors in Brazil.

ABSTRACT: The COVID-19 pandemic has brought significant challenges, including severe psychological consequences, especially for vulnerable individuals, such as those with substance use disorders. This study investigated the impact of the pandemic on substance use patterns and psychological health in Brazilians, exploring associations with sociodemographic factors to identify groups at higher risk. Data were collected online to assess self-reported substance use through the Alcohol, Smoking and Substance Involvement Screening Test (ASSIST), and psychological state, using the Depression, Anxiety and Stress Scale (DASS-21) and level of social distancing. The research was conducted in three waves: September-October 2020, April-May 2021, and September-November 2022. The ASSIST (alcohol, cannabis, halluci

SUBMITTER: Heidrich N 

PROVIDER: S-EPMC11841454 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature