{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T02:51:37Z","timestamp":1790477497482,"version":"4.1.0"},"reference-count":24,"publisher":"MDPI AG","issue":"20","license":[{"start":{"date-parts":[[2022,10,21]],"date-time":"2022-10-21T00:00:00Z","timestamp":1666310400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Centre for Youth Substance Use Research (NCYSUR)"},{"name":"School of Psychology at The University of Queensland"},{"name":"The National Health and Medical Research Council"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>The final year of high school is a challenging phase of adolescents\u2019 lives and substance use can play an important role. We examined changes in the frequency and quantity of alcohol and cannabis use, and demographic correlates among Grade 12 students of 2020. Students (N = 844) from nine schools retrospectively self-reported changes in substance use after the easing of COVID-19 lockdowns (back to school), compared to before the pandemic. Changes in use were examined with age, gender, Aboriginal or Torres Islander, parental and family characteristics, and truancy. Thirty-one percent of students reported that they used alcohol less frequently, and 24% reported that they used it more frequently compared to pre-COVID-19. Most students (46%) reported that they used cannabis less, while a subset reported using more frequently (22%). A history of truancy was associated with an increased frequency (OR = 2.13 [1.18\u20133.83]) of cannabis use. A substantial minority of adolescents used more alcohol and cannabis after the initial COVID-19 lockdown period. Students in their final year who reported increased use may benefit from increased support to manage their substance use.<\/jats:p>","DOI":"10.3390\/ijerph192013680","type":"journal-article","created":{"date-parts":[[2022,10,24]],"date-time":"2022-10-24T02:31:03Z","timestamp":1666578663000},"page":"13680","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Retrospective Self-Reports of How Adolescent Substance Use Changed with the COVID-19 Pandemic"],"prefix":"10.3390","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5816-2959","authenticated-orcid":false,"given":"Janni","family":"Leung","sequence":"first","affiliation":[{"name":"Lives Lived Well Group (LLW), School of Psychology, The University of Queensland, St. Lucia, QLD 4072, Australia"},{"name":"National Centre for Youth Substance Use Research (NCYSUR), The University of Queensland, St. Lucia, QLD 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catherine","family":"Quinn","sequence":"additional","affiliation":[{"name":"Lives Lived Well Group (LLW), School of Psychology, The University of Queensland, St. Lucia, QLD 4072, Australia"},{"name":"National Centre for Youth Substance Use Research (NCYSUR), The University of Queensland, St. Lucia, QLD 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8083-814X","authenticated-orcid":false,"given":"Molly","family":"Carlyle","sequence":"additional","affiliation":[{"name":"Lives Lived Well Group (LLW), School of Psychology, The University of Queensland, St. Lucia, QLD 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rhiannon","family":"Ellem","sequence":"additional","affiliation":[{"name":"Lives Lived Well Group (LLW), School of Psychology, The University of Queensland, St. Lucia, QLD 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Calvert","family":"Tisdale","sequence":"additional","affiliation":[{"name":"Lives Lived Well Group (LLW), School of Psychology, The University of Queensland, St. Lucia, QLD 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lily","family":"Davidson","sequence":"additional","affiliation":[{"name":"Lives Lived Well Group (LLW), School of Psychology, The University of Queensland, St. Lucia, QLD 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Melanie J.","family":"White","sequence":"additional","affiliation":[{"name":"School of Psychology and Counselling, Queensland University of Technology, Brisbane City, QLD 4000, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David J.","family":"Kavanagh","sequence":"additional","affiliation":[{"name":"School of Psychology and Counselling, Queensland University of Technology, Brisbane City, QLD 4000, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leanne","family":"Hides","sequence":"additional","affiliation":[{"name":"Lives Lived Well Group (LLW), School of Psychology, The University of Queensland, St. Lucia, QLD 4072, Australia"},{"name":"National Centre for Youth Substance Use Research (NCYSUR), The University of Queensland, St. Lucia, QLD 4072, Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,10,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"549","DOI":"10.1152\/physiolgenomics.00089.2020","article-title":"The COVID-19 pandemic: A global health crisis","volume":"52","author":"Pollard","year":"2020","journal-title":"Physiol. 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