ArticlePLOS mental health2025
Impact of COVID-19 school learning model on mental health, suicidal thoughts and behaviors, substance use, and violence related behaviors and experiences among U.S. high school students.
Article in PLOS mental health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The COVID-19 pandemic and associated prevention measures reshaped students' lives. We estimated the effects of virtual learning during the pandemic on adolescents' mental health, suicidal thoughts and behaviors, substance use, and violence-related experiences and behaviors. Using Youth Risk Behavior Survey data from 25 local jurisdictions, we compared overall and relative changes from 2019 (n = 49,740) to 2021 (n = 42,995) between jurisdictions where high school students predominantly attended school virtually vs. in-person during the 2020-2021 school year with Rao-Scott chi-square tests and difference-in-differences logistic regression. P-values<0.050 were considered significant. From 2019 to 2021, reported persistent feelings of sadness/hopelessness (2019 = 36.3%, 2021 = 41.3%), seriously considering suicide (17.0-18.7%), making suicide plan(s) (14.2-16.9%), and experiencing sexual dating violence in past 12 months (6.7-7.8%) increased significantly, while alcohol use (22.5-17.1%), binge drinking (8.5-6.2%), and marijuana use (20.2-14.3%) in past 30 days, ever prescription opioid misuse (16.0-13.2%), and gun-carrying (5.5-4.5%), physical fighting (22.3-17.3%), and any sexual violence (11.3-10.4%) in past 12 months decreased significantly. Students in virtual learning jurisdictions reported relative decreases in injury during suicide attempt(s) (OR=0.68, 95%CI = 0.52-0.88), experiencing sexual violence (OR=0.78, 95%CI = 0.67-0.91), using electronic vapor products (OR=0.81, 95%CI = 0.70-0.95), using alcohol (OR=0.84, 95%CI = 0.74-0.95), and misusing prescription opioids (OR=0.82, 95%CI = 0.72-0.94). Learning model was not associated with relative changes in persistent feelings of sadness/hopelessness, seriously considering suicide, making suicide plan(s), attempting suicide, binge drinking, marijuana use, gun-carrying, physical fighting, experiencing sexual dating violence, or being electronically bullied. Additional efforts to support schools in providing safe, supportive environments are needed, particularly where schools returned in-person in fall 2020.
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