{"id":"W4412411499","doi":"10.1111/add.70146","title":"Cannabis use patterns and comparison trends in Canada","year":2025,"lang":"en","type":"letter","venue":"Addiction","topic":"HIV, Drug Use, Sexual Risk","field":"Medicine","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université de Montréal; Centre Hospitalier de l’Université de Montréal; University of Ottawa; Waypoint Centre for Mental Health Care; Ottawa Hospital; Simon Fraser University; University of Toronto; Bruyère; Centre for Addiction and Mental Health; University of the Fraser Valley","funders":"University of Toronto; Indivior; Department of Psychiatry, University of Toronto; University of Ottawa","keywords":"Cannabis; Environmental health; Medicine; Psychology; Psychiatry","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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.00005428931,0.000257055,0.0005139348,0.0004879048,0.00003949115,0.00002459799,0.00006752811,0.0003786028,0.0002418508],"category_scores_gemma":[0.00004967364,0.0002565032,0.0000386528,0.000304279,0.00002103338,0.00007444884,0.00003894597,0.001473023,0.000005690194],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001202243,"about_ca_system_score_gemma":0.0006759655,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9753865,"about_ca_topic_score_gemma":0.9865481,"domain_scores_codex":[0.9984624,0.00007495478,0.0003715319,0.0004095726,0.0003597467,0.0003217978],"domain_scores_gemma":[0.999333,0.00007467664,0.0001147157,0.0003446992,0.00005212285,0.00008079279],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"not_applicable","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00001864338,0.00001240763,0.1290033,0.00007691792,0.00005591867,0.0002874476,0.0002572188,0.000005745219,0.00000229203,3.968188e-7,0.8243997,0.04588005],"study_design_scores_gemma":[0.0005111719,0.00005264608,0.2325359,0.000275693,0.0001439825,0.00001743339,0.000306545,0.0003653734,0.0000182627,8.170938e-7,0.7656153,0.0001568262],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"commentary","genre_gemma":"commentary","genre_scores_codex":[0.1460185,0.0003191737,0.00005672769,0.8452417,0.002303255,0.0004861886,0.00135408,0.0001175196,0.00410282],"genre_scores_gemma":[0.4492014,0.000151966,0.00004483881,0.4808928,0.00188005,0.00008799126,0.007291755,0.00007950828,0.06036969],"genre_candidate":"commentary","genre_consensus":"commentary","teacher_disagreement_score":0.3643489,"threshold_uncertainty_score":0.9999887,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03650563946940927,"score_gpt":0.3100101530747255,"score_spread":0.2735045136053162,"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."}}