{"id":"W4206073333","doi":"10.1016/j.lana.2021.100168","title":"A longitudinal study of change in substance use from before to during the COVID-19 pandemic in young adults","year":2022,"lang":"en","type":"article","venue":"The Lancet Regional Health - Americas","topic":"COVID-19 and Mental Health","field":"Psychology","cited_by":52,"is_retracted":false,"has_abstract":true,"ca_institutions":"Institut National de Santé Publique du Québec; University of Toronto; St. Michael's Hospital; Université de Sherbrooke; Université de Montréal; Public Health Ontario; Vitalité Health Network; McGill University; Centre Hospitalier de l’Université de Montréal","funders":"Canadian Cancer Society Research Institute; Canadian Institutes of Health Research; Canadian Cancer Society","keywords":"Cannabis; Pandemic; Young adult; Binge drinking; Longitudinal study; Medicine; Demography; Poisson regression; Substance use; Coronavirus disease 2019 (COVID-19); Epidemiology; Environmental health; Gerontology; Injury prevention; Poison control; Psychiatry; Internal medicine; Population; Disease; Infectious disease (medical specialty)","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001156189,0.0001794093,0.0005345141,0.0001662088,0.0003510712,0.000007470406,0.0005805712,0.00003012576,0.0001523513],"category_scores_gemma":[0.0000393385,0.0001283599,0.00004816452,0.001054283,0.0001127136,0.00005912112,0.0001796941,0.0006429445,0.00001188953],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001745343,"about_ca_system_score_gemma":0.0003189374,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.4674746,"about_ca_topic_score_gemma":0.4554695,"domain_scores_codex":[0.9967318,0.001072922,0.0005469329,0.000506686,0.0004597765,0.000681896],"domain_scores_gemma":[0.9981046,0.0006488768,0.0003297209,0.0006975323,0.00001753333,0.0002017489],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.003046974,0.0004986695,0.8434914,0.00006278371,0.00001363517,0.00005081372,0.1503105,0.00008521224,0.000001426739,0.0001732686,0.0006449942,0.00162031],"study_design_scores_gemma":[0.002825848,0.0009071238,0.9700226,0.00004884636,0.000004159328,0.00005931601,0.0211918,0.00003025334,6.630158e-8,0.0001163701,0.004687142,0.000106509],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9742323,0.0009795824,0.000009376284,0.02220712,0.0002987011,0.002050857,0.0001640766,0.00003818726,0.000019836],"genre_scores_gemma":[0.9746706,0.0002011506,0.00002050964,0.02346014,0.0002696768,0.001234404,0.00002384682,0.00002202709,0.00009759945],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1291187,"threshold_uncertainty_score":0.5544668,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.3765171200041111,"score_gpt":0.4854434107822734,"score_spread":0.1089262907781623,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}