{"id":"W4409728926","doi":"10.1001/jamanetworkopen.2025.6551","title":"Cannabis Use and Misuse Following Recreational Cannabis Legalization","year":2025,"lang":"en","type":"article","venue":"JAMA Network Open","topic":"Cannabis and Cannabinoid Research","field":"Medicine","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"McMaster University; St. Joseph’s Healthcare Hamilton","funders":"Canadian Institutes of Health Research","keywords":"Cannabis; Legalization; Medicine; Cohort; Demography; Cohort study; Prospective cohort study; Psychiatry; Internal medicine","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":[0.0008286978,0.0001910806,0.0003754622,0.000149782,0.0003438058,0.000822206,0.0002480496,0.0001728114,0.0002484384],"category_scores_gemma":[0.0005794314,0.0001746019,0.000109556,0.000824374,0.00007864999,0.0006308,0.0003997122,0.0002869832,0.000008681059],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002081567,"about_ca_system_score_gemma":0.0007533279,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004466662,"about_ca_topic_score_gemma":0.0009323609,"domain_scores_codex":[0.9982386,0.000143598,0.0003416239,0.0004576526,0.0003595779,0.0004589985],"domain_scores_gemma":[0.9989445,0.00001745633,0.00007032195,0.0004102073,0.0003099564,0.0002475611],"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":[0.000421541,0.00005516733,0.1066952,0.00006078318,0.0001539022,0.0000522189,0.0001206375,0.0001252579,0.000114826,0.004341964,0.8792292,0.008629248],"study_design_scores_gemma":[0.001682114,0.00007864765,0.3463231,0.0004318043,0.00009231721,0.00001622016,0.00007621497,0.001189554,0.000108699,0.0003530459,0.649505,0.0001433444],"study_design_candidate":"not_applicable","study_design_consensus":"not_applicable","genre_codex":"empirical","genre_gemma":"other","genre_scores_codex":[0.6704561,0.002816069,0.0006891342,0.2870429,0.0007135002,0.002863324,0.00003151744,0.0001062512,0.03528127],"genre_scores_gemma":[0.3475158,0.0003811196,0.001480983,0.007917018,0.0006754615,0.0004741349,0.0003175778,0.00006081419,0.6411771],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.6058959,"threshold_uncertainty_score":0.7928551,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02805575394758058,"score_gpt":0.338832440232156,"score_spread":0.3107766862845754,"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."}}